American Philatelic Society

Online Resources‎ > ‎

Identification Guides

Worldwide Stamp Identifier on ISWSC
Alphabetical list of inscriptions and overprints on stamps with their associated origin and period. Additional identification lists include Greek and Cyrillic scripts and bogus issues.
Website: http://www.iswsc.org/

The Stamp Galleries by Stefano & Casper
Images and descriptions of hard to identify stamps in a Q&A format
Website: http://www.raster.it/stefano/a

Omniglot by Simon Ager
Writing systems and languages of the world
Website: http://www.omniglot.com/