Will revealing a watermark damage my stamp?

No, if you use non-destructive methods. Hold stamps by the edges, use a loupe and good lighting, and avoid household liquids. If using a watermark tray and fluid, follow the tray manufacturer's instructions and test on common stamps first; improper handling can cause damage.

How do I tell Laid paper from Wove paper?

Hold the stamp to transmitted light and look for regular parallel lines running across the sheet. Those lines indicate Laid paper. If the paper appears even with no regular lines and has a uniform surface, that is Wove paper.

Can a scanner reveal faint watermarks?

Yes. Use backlighting or reflective techniques when you scan or photograph the stamp's back, and capture multiple images at different angles. Digital contrast adjustments can make faint watermarks visible without further handling of the stamp.

How to identify stamp watermark and paper

This page explains step-by-step methods you can use to identify a stamp's watermark and to tell laid paper from wove paper. The steps are practical for collectors, require simple tools, and avoid damage to postage stamps.

Published September 14, 2026

Quick facts

Watermark: Watermark 'Multiple Crown'
Laid: Laid paper
Wove: Wove paper

Overview

A watermark is an intentional design pressed into the sheet during papermaking. Paper type refers to the surface and internal structure of the sheet. Correctly identifying both the watermark and the paper often matters to stamp condition assessments and to determining a stamp's catalogue value. Use non-destructive inspection first and only handle stamps by their edges.

Tools you need

Gather a clean workspace, a loupe or low-power magnifier, a strong but cool light source, soft tweezers, and a glass watermark tray or thin plastic holder if you plan to use watermark fluid. A scanner or camera can help document findings without touching the stamp repeatedly. Avoid adhesives or rough surfaces that can crease or scratch stamps.

How to find a watermark

Start by holding the stamp with tweezers at the edges and tilt it under a bright light; the watermark may appear as lighter or darker areas. If the mark is still faint, place the stamp face down on a glass plate and view the back against a strong, indirect light to reveal the pattern. For some stamps the watermark is a standard pattern; for example, a common detecting target is Watermark 'Multiple Crown'. If you use a watermark tray, place the stamp face down in the tray and add the recommended fluid for that tray; follow the tray manufacturer's instructions. Record any watermark position relative to the stamp design and compare with reference charts when you try to identify its exact type.

How to examine paper type

Examine the stamp under a magnifier while you hold it up to light. Laid paper shows parallel chain or wire lines across the sheet; you will see fine linear ribs when viewing Laid paper by transmitted light. Wove paper has a uniform, even surface with no regular lines when held to light; it looks like a tight, even mesh. Also check texture by very lightly touching the stamp edge with your fingertip — Laid paper often feels ribbed, Wove paper feels smooth. Note the paper type in your notes and compare with philately references to help identify the issue and print method.

Using a scanner, camera and automated tools

A flatbed scanner or a high-quality camera can help capture the watermark and surface detail without repeated handling. Scan or photograph the back of the stamp against a neutral background and use backlighting or reflected light to maximize contrast. Save raw images and annotate them with what you observed about the watermark and the paper. If you prefer software assistance, you can try an identifier that accepts stamped images; Stamp Identifier can match scans and suggest likely watermark and paper types based on image features.

Common questions

Will revealing a watermark damage my stamp?: No, if you use non-destructive methods. Hold stamps by the edges, use a loupe and good lighting, and avoid household liquids. If using a watermark tray and fluid, follow the tray manufacturer's instructions and test on common stamps first; improper handling can cause damage.
How do I tell Laid paper from Wove paper?: Hold the stamp to transmitted light and look for regular parallel lines running across the sheet. Those lines indicate Laid paper. If the paper appears even with no regular lines and has a uniform surface, that is Wove paper.
Can a scanner reveal faint watermarks?: Yes. Use backlighting or reflective techniques when you scan or photograph the stamp's back, and capture multiple images at different angles. Digital contrast adjustments can make faint watermarks visible without further handling of the stamp.

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