Stamp Collection Manager Backend

Stamp Collection Manager Backend Template
Collection Tracking for Stamps, Catalog Numbers, and Auction Records

Q: What makes stamp collection quantity records trustworthy when items change hands constantly?

A stamp collection backend is a BaaS schema and API for cataloging stamps, tracking perforation logs, storing Scott numbers, and keeping auction history in one place.

Q: How do stamp collection workflows link physical items to responsible owners over time?

It includes User, StampCollection, Stamp, StampPerforationLog, and AuctionHistory, plus an ER diagram, API playground, and an AI Agent prompt.

Q: Is the model flexible enough for stamp collection integrations like scanners or ERP feeds?

Back4app provides managed database, auth, real-time queries, and flexible schema so you can ship stamp cataloging, perforation notes, and auction tracking without running your own backend.

Q: How do I run queries for collections and stamps with Flutter?

Use the StampCollection and Stamp classes to query and display catalog data, Scott numbers, and perforation notes through the Back4app SDK.

Q: How do I manage stamp collection access with Next.js server actions?

Use a server action to create a Parse Object for StampCollection with owner pointers and privacy flags, and validate the save in Cloud Code if needed.

Q: Can React Native cache auction history offline?

Yes. Enable Local Datastore and pin AuctionHistory and Stamp records so users can review sale history when the connection drops.

Q: How do I prevent unauthorized collection edits?

In Cloud Code beforeSave for StampCollection, enforce ownership checks and reject changes when the authenticated user does not own the collection.

Q: What is the best way to show Scott numbers on Android?

Query Stamp objects and render scottNumber, catalogTitle, and condition in a searchable list using the Back4app SDK.

A production-ready Stamp Collection Manager backend on Back4app with stamp records, perforation logs, Scott numbers, and auction history. Includes ER diagram, data dictionary, JSON schema, API playground, and an AI Agent prompt for rapid bootstrap.

Build with AI Agent Choose Your Technology

Key Takeaways

This template gives you a Stamp Collection Manager backend with perforation logs, Scott numbers, and auction history so coordinators and catalogers can keep collection notes in one place.

Perforation log tracking — Model perforation logs on the StampPerforationLog class with fields such as gauge, count, and notes.
Scott number reference — Store catalog identifiers in Stamp.scottNumber so every issue is searchable by collector-friendly numbering.
Auction history timeline — Attach bids, realized prices, and sale dates to AuctionHistory for each stamp record.
Collection ownership controls — Use StampCollection.owner and ACLs to separate private stock books from shared review sets.

Overview: Stamp Collection Manager

Spreadsheets work for stamp collection until someone duplicates a SKU, merges the wrong row, and suddenly two teams operate on different truth. Teams feel it first in the morning standup. Track StampCollection, Stamp, StampPerforationLog, and AuctionHistory end to end on Back4app so stamp collection operations stay explainable across locations, custody changes, and audits. The schema covers StampCollection (name, owner, countryFocus), Stamp (collection, scottNumber, perforationGauge, condition), StampPerforationLog (stamp, gauge, count, notes), and AuctionHistory (stamp, auctionHouse, realizedPrice, saleDate) with auth and collection permissions built in. Connect your frontend and start cataloging stamps faster.

Best for:

Stamp catalog appsCollector inventory toolsPerforation log trackingScott number lookup systemsAuction history archivesTeams selecting BaaS for collection products

Stamp Collection: backend snapshot

stamp collection is not only about speed; it is about defensibility when someone asks “show me how you knew that was true.”

Every technology card here maps to the same StampCollection, Stamp, and StampPerforationLog model — pick a stack without re-negotiating your backend contract.

Core Stamp Collection Features

Every technology card in this hub uses the same stamp collection schema with StampCollection, Stamp, StampPerforationLog, and AuctionHistory.

Collection ownership and curation

StampCollection stores name, owner, and countryFocus.

Scott number cataloging

Stamp.scottNumber and catalogTitle identify each stamp.

Perforation logs

StampPerforationLog records gauge, count, and notes.

Auction history

AuctionHistory keeps auctionHouse, realizedPrice, and saleDate.

Why Build Your Stamp Collection Manager Backend with Back4app?

Back4app gives you collection, stamp, perforation, and auction primitives so your team can focus on catalog accuracy instead of infrastructure chores.

•Collection and stamp cataloging: StampCollection and Stamp classes keep ownership, Scott numbers, and condition details in a single queryable model.
•Perforation and auction history: StampPerforationLog and AuctionHistory capture gauge notes, counts, sale dates, and realized prices for research.
•Realtime + API flexibility: Use Live Queries for new auction history entries while keeping REST and GraphQL available for every client.

Build and refine stamp collection features quickly with one backend contract across all platforms.

Core Benefits

A stamp collection backend that helps you catalog accurately without slowing the work down.

Faster catalog setup

Start from StampCollection and Stamp instead of inventing a catalog model one field at a time.

Better research records

Keep perforationGauge, scottNumber, and condition together so stamp notes stay consistent.

Clear ownership rules

Use owner pointers and ACL/CLP settings so each collection stays private to the right curator.

Auction review history

Store realizedPrice and saleDate in AuctionHistory for price comparison and provenance checks.

Collection notes that persist

Track gauge, count, and notes in StampPerforationLog without forcing the UI to carry that logic alone.

AI-assisted bootstrap

Generate backend scaffolding and integration guidance fast with one structured prompt.

Ready to launch your stamp collection manager?

Let the Back4app AI Agent scaffold your stamp collection backend and generate perforation logs, Scott number lookup, and auction history from one prompt.

Build with AI Agent Try the API Playground

Free to start — 50 AI Agent prompts/month, no credit card required

Technical Stack

Everything included in this stamp collection backend template.

Frontend

13+ technologies

Backend

Back4app

Database

MongoDB

Auth

Built-in auth + sessions

API

REST and GraphQL

Realtime

Live Queries

ER Diagram

Entity relationship model for the stamp collection backend schema.

ER Diagram

View diagram source

Mermaid

erDiagram
    Curator ||--o{ Collection : "owner"
    Collection ||--o{ Stamp : "includes"
    Stamp ||--o{ PerforationLog : "measured in"
    Stamp ||--o{ AuctionHistory : "sold in"
    Curator ||--o{ PerforationLog : "loggedBy"
    Curator ||--o{ AuctionHistory : "createdBy"

    Curator {
        String objectId PK
        String username
        String email
        String password
        String displayName
        String role
        Date createdAt
        Date updatedAt
    }

    Collection {
        String objectId PK
        String name
        String countryFocus
        String status
        String ownerId FK
        Date createdAt
        Date updatedAt
    }

    Stamp {
        String objectId PK
        String collectionId FK
        String title
        String scottNumber
        String country
        Number yearIssued
        String condition
        String imageUrl
        Date createdAt
        Date updatedAt
    }

    PerforationLog {
        String objectId PK
        String stampId FK
        String perforationGauge
        String measurementMethod
        String notes
        String loggedById FK
        Date loggedAt
        Date createdAt
        Date updatedAt
    }

    AuctionHistory {
        String objectId PK
        String stampId FK
        String auctionHouse
        Date auctionDate
        String lotNumber
        Number hammerPrice
        String currency
        String result
        String createdById FK
        Date createdAt
        Date updatedAt
    }

Integration Flow

Typical runtime flow for auth, collection listing, perforation logging, Scott-number lookup, and auction history updates.

ER Diagram

View diagram source

Mermaid

sequenceDiagram
  participant Curator
  participant App as Stamp Collection Manager App
  participant Back4app as Back4app Cloud

  Curator->>App: Sign in to the stamp manager
  App->>Back4app: POST /login
  Back4app-->>App: Session token

  Curator->>App: Open a collection
  App->>Back4app: GET /classes/Collection?include=owner&order=-updatedAt
  Back4app-->>App: Collection list

  Curator->>App: Review stamp catalog entries
  App->>Back4app: GET /classes/Stamp?include=collection&order=-createdAt
  Back4app-->>App: Stamp list with Scott numbers

  Curator->>App: Add a perforation log or auction history row
  App->>Back4app: POST /classes/PerforationLog
  App->>Back4app: POST /classes/AuctionHistory
  Back4app-->>App: Saved log objects

  App->>Back4app: Live query updates for new stamp changes
  Back4app-->>App: Updated stamp, perforation, and auction records

Data Dictionary

Full field-level reference for every class in the stamp collection schema.

Field	Type	Description	Required
objectId	String	Auto-generated unique identifier	Auto
username	String	Curator login name
email	String	Curator email address
password	String	Hashed password (write-only)
displayName	String	Display name shown in the manager
role	String	Curator role such as manager, editor, or viewer
createdAt	Date	Auto-generated creation timestamp	Auto
updatedAt	Date	Auto-generated last-update timestamp	Auto

8 fields in Curator

Security and Permissions

How ACL and CLP strategy secures collections, stamps, perforation logs, and auction history entries.

Collection owner controls

Only the owner can create, edit, or delete their StampCollection entries.

Catalog integrity checks

Use Cloud Code to validate scottNumber, perforationGauge, and realizedPrice before saving a stamp or auction record.

Scoped read access

Limit reads to the collection owner or approved collaborators when a stamp set is shared for appraisal.

Schema (JSON)

Raw JSON schema definition ready to copy into Back4app or use as implementation reference.

JSON

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

{
  "classes": [
    {
      "className": "Curator",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "username": {
          "type": "String",
          "required": true
        },
        "email": {
          "type": "String",
          "required": true
        },
        "password": {
          "type": "String",
          "required": true
        },
        "displayName": {
          "type": "String",
          "required": true
        },
        "role": {
          "type": "String",
          "required": true
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "Collection",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "name": {
          "type": "String",
          "required": true
        },
        "countryFocus": {
          "type": "String",
          "required": true
        },
        "status": {
          "type": "String",
          "required": true
        },
        "owner": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Curator"
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "Stamp",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "collection": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Collection"
        },
        "title": {
          "type": "String",
          "required": true
        },
        "scottNumber": {
          "type": "String",
          "required": true
        },
        "country": {
          "type": "String",
          "required": true
        },
        "yearIssued": {
          "type": "Number",
          "required": true
        },
        "condition": {
          "type": "String",
          "required": true
        },
        "imageUrl": {
          "type": "String",
          "required": false
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "PerforationLog",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "stamp": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Stamp"
        },
        "perforationGauge": {
          "type": "String",
          "required": true
        },
        "measurementMethod": {
          "type": "String",
          "required": true
        },
        "notes": {
          "type": "String",
          "required": false
        },
        "loggedBy": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Curator"
        },
        "loggedAt": {
          "type": "Date",
          "required": true
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    },
    {
      "className": "AuctionHistory",
      "fields": {
        "objectId": {
          "type": "String",
          "required": false
        },
        "stamp": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Stamp"
        },
        "auctionHouse": {
          "type": "String",
          "required": true
        },
        "auctionDate": {
          "type": "Date",
          "required": true
        },
        "lotNumber": {
          "type": "String",
          "required": true
        },
        "hammerPrice": {
          "type": "Number",
          "required": true
        },
        "currency": {
          "type": "String",
          "required": true
        },
        "result": {
          "type": "String",
          "required": true
        },
        "createdBy": {
          "type": "Pointer",
          "required": true,
          "targetClass": "Curator"
        },
        "createdAt": {
          "type": "Date",
          "required": false
        },
        "updatedAt": {
          "type": "Date",
          "required": false
        }
      }
    }
  ]
}

Build with AI Agent

Use the Back4app AI Agent to generate a real stamp collection app from this template, including frontend, backend, auth, and perforation log, Scott number, and auction history flows.

Back4app AI Agent

Ready to build

Create a Stamp Collection Manager app backend on Back4app with this exact schema and behavior.

Schema:
1. User (use Back4app built-in): username, email, password; objectId, createdAt, updatedAt (system).
2. StampCollection: name (String, required), owner (Pointer to User, required), countryFocus (String), description (String), isPrivate (Boolean, required); objectId, createdAt, updatedAt (system).
3. Stamp: collection (Pointer to StampCollection, required), scottNumber (String, required), catalogTitle (String, required), issueYear (Number), perforationGauge (String), condition (String), faceValue (String), notes (String); objectId, createdAt, updatedAt (system).
4. StampPerforationLog: stamp (Pointer to Stamp, required), gauge (String, required), count (Number, required), notes (String), inspectedAt (Date, required); objectId, createdAt, updatedAt (system).
5. AuctionHistory: stamp (Pointer to Stamp, required), auctionHouse (String, required), lotNumber (String), realizedPrice (Number, required), saleDate (Date, required), provenanceNotes (String); objectId, createdAt, updatedAt (system).

Security:
- Only the owner can create/update/delete their collections. Use Cloud Code for validation.

Auth:
- Sign-up, login, logout.

Behavior:
- List collections, add stamp entries, record perforation logs, and store auction history.

Deliver:
- Back4app app with schema, ACLs, CLPs; frontend for stamp collections, perforation logs, Scott-number search, and auction history.

Press the button below to open the Agent with this template prompt pre-filled.

This is the base prompt without a technology suffix. You can adapt the generated frontend stack afterward.

Deploy in minutes50 free prompts / monthNo credit card required

API Playground

Try REST and GraphQL endpoints against the stamp collection schema. Responses use mock data and do not require a Back4app account.

Loading playground…

Uses the same schema as this template.

Choose Your Technology

Expand each card to see how to integrate StampCollection, Stamp, and StampPerforationLog with your chosen stack.

What You Get with Every Technology

Every stack uses the same stamp collection backend schema and API contracts.

Unified stamp catalog structure

Manage collections, stamps, perforation logs, and auction history with one consistent schema.

Scott-number lookup for collection work

Search and filter stamps by scottNumber, issueYear, and catalogTitle.

Auction history for appraisal review

Track realizedPrice and saleDate across auction houses for each stamp.

Ownership and privacy controls

Restrict collection edits to the owner while sharing review sets with approved collaborators.

REST/GraphQL APIs for collection tools

Integrate catalog views, logs, and history screens with flexible API access.

Extensible architecture for stamp work

Add certificates, plate blocks, or want lists later without rewriting the base model.

Stamp Collection Technology Comparison

Compare setup speed, SDK style, and AI support across all supported technologies.

Framework	Setup Time	Stamp Collection Benefit	SDK Type	AI Support
Flutter	About 5 min	Single codebase for stamp catalog tools on mobile and web.	Typed SDK	Full
React	Under 5 minutes	Fast web dashboard for stamp collections.	Typed SDK	Full
React Native	~3–7 min	Cross-platform mobile app for cataloging stamps.	Typed SDK	Full
Next.js	Rapid (5 min) setup	Server-rendered web app for collection lookup.	Typed SDK	Full
JavaScript	~3–5 min	Lightweight web integration for stamp data.	Typed SDK	Full
Android	About 5 min	Native Android app for stamp collection work.	Typed SDK	Full
iOS	Under 5 minutes	Native iOS app for stamp collection work.	Typed SDK	Full
Vue	~3–7 min	Reactive web UI for stamp cataloging.	Typed SDK	Full
Angular	Rapid (5 min) setup	Enterprise web app for collection management.	Typed SDK	Full
GraphQL	Under 2 min	Flexible GraphQL API for collection search.	GraphQL API	Full
REST API	Quick (2 min) setup	REST API integration for stamp catalog tools.	REST API	Full
PHP	~3 min	Server-side PHP backend for collection tools.	REST API	Full
.NET	~3–7 min	.NET backend for stamp collection management.	Typed SDK	Full

Setup time reflects expected duration from project bootstrap to first collection or stamp query using this template schema.

Frequently Asked Questions

Common questions about building a stamp collection backend with this template.

What makes stamp collection quantity records trustworthy when items change hands constantly?

How do stamp collection workflows link physical items to responsible owners over time?

Is the model flexible enough for stamp collection integrations like scanners or ERP feeds?

How do I run queries for collections and stamps with Flutter?

How do I manage stamp collection access with Next.js server actions?

Can React Native cache auction history offline?

How do I prevent unauthorized collection edits?

What is the best way to show Scott numbers on Android?

Trusted by developers worldwide

Join teams shipping stamp collection products faster with Back4app templates

Ready to Build Your Stamp Collection Manager App?

Start your stamp collection project in minutes. No credit card required.

Choose Technology

Stamp Collection Manager Backend TemplateCollection Tracking for Stamps, Catalog Numbers, and Auction Records

Key Takeaways

Overview: Stamp Collection Manager

Stamp Collection: backend snapshot

Core Stamp Collection Features

Collection ownership and curation

Scott number cataloging

Perforation logs

Auction history

Why Build Your Stamp Collection Manager Backend with Back4app?

Core Benefits

Faster catalog setup

Better research records

Clear ownership rules

Auction review history

Collection notes that persist

AI-assisted bootstrap

Ready to launch your stamp collection manager?

Technical Stack

ER Diagram

Integration Flow

Data Dictionary

Security and Permissions

Collection owner controls

Catalog integrity checks

Scoped read access

Schema (JSON)

Build with AI Agent

API Playground

Choose Your Technology

Flutter Stamp Collection Backend

React Stamp Collection Backend

React Native Stamp Collection Backend

Next.js Stamp Collection Backend

JavaScript Stamp Collection Backend

Android Stamp Collection Backend

iOS Stamp Collection Backend

Vue Stamp Collection Backend

Angular Stamp Collection Backend

GraphQL Stamp Collection Backend

REST API Stamp Collection Backend

PHP Stamp Collection Backend

.NET Stamp Collection Backend

What You Get with Every Technology

Unified stamp catalog structure

Scott-number lookup for collection work

Auction history for appraisal review

Ownership and privacy controls

REST/GraphQL APIs for collection tools

Extensible architecture for stamp work

Stamp Collection Technology Comparison

Frequently Asked Questions

Trusted by developers worldwide

Ready to Build Your Stamp Collection Manager App?

Stamp Collection Manager Backend Template
Collection Tracking for Stamps, Catalog Numbers, and Auction Records