Philatelic.ai Free beta

Stamp PreGrader

Predict your stamp's grade before submission.

  1. 1

    Upload

    Add clear scans for the stamps you want checked.

  2. 2

    Add what you know

    Condition, known faults, country, and catalog number are optional; they sharpen the estimate.

  3. 3

    Read the estimate

    Get the most probable grade, the likely range of outcomes, and a confidence read.

Upload your stamp

Suggested: improves accuracy

Beta notice: we may store your scan, inputs, PreGrader output, and basic site activity to improve the tool and understand usage. See Privacy.

Free while in beta · No account or sign-up needed

We assess visible condition only and cannot detect thins, regumming, or gum faults from an image. Estimates are for information only, not an appraisal or guarantee. How it works ›

Have feedback on a result, or a stamp the PreGrader should handle better?