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Google Play 4.6 · App Store 4.4
Download the app first for speed, then use guides for final verification and pricing discipline.
Verification guides
Guide hub for photo ID, grading, and valuation decisions
Use these guides after app scan results to confirm stamp identity, review front/back evidence, and estimate realistic value ranges.
Try this in the app now.
Identify stamps faster with AI-assisted photo checks, then use guides for deeper verification.
AI-powered, fast scan, free to install.
Collectors
Use guides to validate AI candidates and avoid misidentifying similar issues.
Dealers
Standardize grading and intake workflows before listing or quoting.
Estate inheritors
Triage inherited albums quickly and focus on likely high-value pieces first.
Use the app for faster on-device stamp checks:
9 min read
How to Identify Stamps by Photo
A practical end-to-end process for capturing better images, validating AI results, and documenting evidence.
PhotoWorkflowVerification
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11 min read
Stamp Value Checker Guide
Turn IDs into realistic low-mid-high price ranges using condition scoring and sold-market comparison.
ValuationConditionSales comps
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App Shortcut
Skip the slow manual triage. Try this in the app now.
Use a photo to identify likely matches quickly, then come back to guides for final verification and pricing discipline.
Free install. AI-powered lookup. Fast scan workflow.
10 min read
How Much Is My Stamp Worth?
Step-by-step guide to checking stamp values. Covers identification, condition grading, market pricing, and what to do with inherited collections.
ValuationBeginnerInherited
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12 min read
Rare Stamps Worth Money: What Actually Matters
Understand scarcity, demand, condition sensitivity, and common mistakes that lead to false rarity claims.
RarityRisk controlCatalog logic
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10 min read
How to Identify Old Stamps
A structured method to date classic issues by paper, printing, postmarks, and era-specific design cues.
HistoricalDatingAuthentication
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11 min read
How to Identify US Stamps
Complete guide from 1847 classics to modern Forever stamps. Scott catalog, errors, and era identification.
USRegional
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10 min read
How to Identify Stamp Watermarks
Use backlighting and safe watermark methods to separate similar-looking but differently priced issues.
TechnicalWatermark
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10 min read
Stamp Perforation Guide
Learn how to measure perforation gauges, understand compound perfs, and identify varieties that affect value.
TechnicalPerforation
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9 min read
Postage Stamp Catalog Basics
Understand Scott, Stanley Gibbons, Michel and Yvert catalog systems, numbering, and how to interpret listings.
CatalogReference
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11 min read
Coin Identification Guide
Identify coins by obverse/reverse clues, mint marks, date variants, grading scales, and error types.
CoinsGrading
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10 min read
Banknote Identification & Value Guide
Grade and price paper money using security features, serial number varieties, and condition assessment.
BanknotesValuation
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8 min read
How to Appraise Collectibles by Photo
Get better appraisal accuracy from photos with proper capture standards, detail shots, and documentation.
PhotoAppraisal
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12 min read
How to Identify British Stamps
From the Penny Black to Machin definitives. Identify UK stamps by monarch, era, watermark and SG number.
UKRegional
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11 min read
How to Identify French Stamps
From Ceres classics to Marianne definitives. Identify French stamps by design type, era and Yvert number.
FranceRegional
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12 min read
How to Identify German Stamps
From German States to reunification. Navigate Germania, inflation overprints, BRD and DDR issues.
GermanyRegional
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