design and inscription
Compared with the other visible details in your photo.
Identify a postage stamp
from a photo
Upload one clear photo with the postage stamp clearly visible. We’ll compare visible details and show the most likely matches.
Choose a postage stamp photo
JPG, PNG or WebP · One clear subject works best
or drag and drop hereWhat this identifier looks for
perforation
Compared with the other visible details in your photo.
color and paper
Compared with the other visible details in your photo.
cancellation and watermark clues
Compared with the other visible details in your photo.
Useful for
world stampsolder stampscommemorative stampspostmarked stamps
A focused photo analysis
What a clear photo can reveal
The Stamp Identifier compares the visible subject with clues selected specifically for postage stamps. That focused approach keeps the result relevant to this topic instead of returning a generic image description.
It examines design and inscription, perforation, color and paper, cancellation and watermark clues. The result may include likely names, descriptive evidence, contextual information, and confidence when that field is part of the topic’s verified response format.
04
Core visual clues
01
design and inscription
02
perforation
03
color and paper
04
cancellation and watermark clues
How this result is built
A method tuned to postage stamps
Signals considered
The topic configuration asks the model to compare the visible evidence that matters for this subject.
Structured result
The response must fit the verified schema for this identifier instead of returning an open-ended image description.
Limits and next steps
A single photo can hide important details of postage stamps. Use the candidates as a starting point and verify important decisions independently.
Confidence, when shown, is a model estimate—not a calibrated probability or professional confirmation.
Questions
Before you upload
How do I use the Stamp Identifier?＋
Choose one clear photo with the postage stamp clearly visible, wait for it to be prepared in your browser, and select “Identify this photo.” The result compares the visible details with likely matches.
What details does the Stamp Identifier analyze?＋
It focuses on design and inscription, perforation, color and paper, cancellation and watermark clues. Clear, well-lit photos with the subject filling most of the frame usually provide the most useful result.
How reliable is a result from the Stamp Identifier?＋
A photo result is a starting point, not a guaranteed determination. Image quality, angle, missing context, lookalike subjects, and regional variation can all affect the match.