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Learn — Collect With Confidence

Build your collector’s eye with detailed checklists drawn from real covers.  Practical steps you can use before you bid,

when assessing condition, and when valuing routes and markings.

Start here

Pre‑Bid Checklist

  • Both scans present · size noted

  • Registered / censor / airmail

  • Comps checked; ceiling se

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Value drivers

Route & Markings ID

  • Airmail / sea / rail

  • Censor types & registry labels

  • Exchange, transit & auxiliary marks

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Most used

Condition & Normalization

  • Fault map: crease, tear, trim, stains, tone

  • −10–15% crease; +15–25% registered

  • Eye‑appeal: centering, ink, cancellations

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Safety first

Authenticity & Red Flags

  • Rebacked flap or added pieces?

  • Added / post‑dated markings?

  • Mismatched dates or modern inks?

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