Guide

How to Photograph Stamps for AI Identification

Good photos lead to accurate results. Learn how to capture clear, well-lit stamp images that AI tools can analyze effectively.

summary TL;DR

Place your stamp flat on a solid, contrasting background. Use natural daylight or diffused lighting — avoid direct flash. Ensure the entire stamp, including perforated edges, is in frame. Hold your camera steady and parallel to the stamp. Blurry, shadowed, or angled photos significantly reduce AI identification accuracy.

photo_camera Good vs. Bad Photo Examples

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Good Photo

  • check Flat on a neutral background
  • check Even, natural lighting — no harsh shadows
  • check Entire stamp including perforations is visible
  • check Camera parallel to the stamp (no angle distortion)
  • check Sharp focus on the stamp surface
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Bad Photo

  • close Held at an angle (perspective distortion)
  • close Harsh flash glare or deep shadows
  • close Stamp cropped or partially out of frame
  • close Cluttered or patterned background
  • close Blurry or low-resolution image

lightbulb Step-by-Step Photography Tips

1

Use a Flat, Clean Surface

Place the stamp on a flat, non-reflective surface. A clean white or neutral grey card works best. Avoid textured surfaces like wood grain, fabric, or patterned paper that can confuse the AI.

2

Light Evenly with Natural Light

Position near a window for soft, diffused daylight. Avoid direct sunlight (creates harsh shadows) and camera flash (causes glare on glossy paper). If using artificial light, diffuse it through tissue paper or use a desk lamp aimed at the ceiling for bounce lighting.

3

Fill the Frame

Position the stamp so it fills most of the photo while keeping all four perforated edges visible. Leave a small margin around the stamp. This gives the AI maximum pixel data to work with while ensuring no part of the stamp is cropped.

4

Shoot Straight On

Hold your camera or phone directly above the stamp, parallel to its surface. Angled shots distort the design and make perforation measurement inaccurate. Use a tripod or rest your elbows on a table for steadiness.

5

Ensure Sharp Focus

Tap the screen to focus on the stamp, not the background. Most phone cameras let you lock focus by holding the tap. If your phone has a macro mode, use it when shooting close up. Blurry images lead to unreliable identification results.

6

Avoid Shadows and Glare

Check for your own shadow or the phone's shadow falling on the stamp. Move the light source or your position until the stamp is evenly lit. Glare on glossy or hinged stamps can be reduced by slightly adjusting the light angle.

7

Photograph Both Sides (if possible)

For detailed analysis, take a photo of both the front and back. The back reveals watermark patterns, gum condition, and any hinge remnants — all useful for identification and valuation.

8

Use the Highest Resolution

Set your camera to its highest resolution. Most modern phones (12MP+) are more than adequate. Avoid digital zoom — move the phone closer instead. Cropping a high-resolution photo later is better than relying on zoom.

refund What to Do If Results Are Poor

If the AI doesn't identify your stamp or the confidence is low:

  1. 1. Retake the photo with better lighting — this is the most common fix
  2. 2. Ensure the stamp is completely flat (use a glass pane or book to press it)
  3. 3. Try different backgrounds (white, grey, black)
  4. 4. Check for dirt or damage obscuring the design — gently clean if needed
  5. 5. Some stamps are simply rare or obscure enough that they're not in the database
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