How to identify a postage stamp denomination
Practical steps to identify the printed value of a stamp and confirm that value using physical checks, reference sources, and a clear scanning workflow for collectors and philately beginners.
Published
Quick facts
- Penny Black
- Penny Black: first adhesive stamp
- Penny Black date
- Penny Black issued 1840
Read the stamp first
Start by looking for a numeric value or a word printed on the face of the stamp. Many stamps show a number, a currency symbol, or a word such as 'penny' or 'cent' that denotes the postage value. The printed mark is the primary indicator of value; record the exact text and any unit shown.
Check currency and language
Confirm which currency the stamp uses by reading country names and currency words. Some stamps use local abbreviations or historic currency names. If the stamp shows a language you do not read, photograph or scan the inscription and compare it to online lists or a catalogue entry for the issuing country to identify the unit of value.
Examine design differences and overprints
Different denominations of the same design are often issued in different colors or with small design changes. Overprints or surcharges can change or add a value; read any overprint text carefully. If a stamp lacks a visible printed denomination it may be a postal stationery item, a definitive without a face value inscription, or an express/official issue — consult a reference to confirm.
Physical checks: watermark, perforation and condition
Use watermark detection, compare perforation patterns, and inspect printing characteristics to distinguish variants that carry different values. Condition and gum do not change the face value; they only affect collectability. Note any plate numbers or control markings that reference a particular print run, which you can cross-check in a catalogue to find the corresponding denomination.
Scan and document the stamp
Create a clear image of the stamp using a reliable scanner or a steady camera setup so text and fine lines are legible. Save the scan and label it with the country, visible denomination text, and any overprint or watermark notes. Use the image when comparing to catalogue images or when asking others to help identify the value.
Reference sources and when to seek help
Use specialised stamp catalogues, online databases, and philately forums to match the stamp image and inscriptions to a listed denomination. If a stamp is worn, has an unclear overprint, or no visible denomination, these references will show issued values for that design and any known variants. Penny Black: first adhesive stamp. Penny Black issued 1840.
Quick digital check
For a fast, automated check after you have documented the stamp, use Stamp Identifier.
Common questions
- What do I do if a stamp has no printed value?
- If there is no printed value, check for overprints, inscriptions indicating a service (for example 'airmail' or 'official'), and the issuing country. Consult stamp catalogues and online databases for that design; many catalogue entries list stamps issued without face values and explain how postal charges applied. Document the stamp with a scan and the catalogue references you checked.
- Can I use a scanner to help identify a stamp value?
- Yes. A clear scan makes small denominations, overprints, and fine inscriptions easier to read and share with reference sources. Keep the scan file and label it with the country and any visible text to speed up comparison with catalogue images or online listings.
- Do perforation and watermark determine the denomination?
- Perforation and watermark do not by themselves show the denomination, but they help identify which variant of a design you have. Different variants sometimes carry different denominations; once you match perforation and watermark to a catalogue entry, that entry will list the issued denomination.