Jon Edwards, the United States Correspondence Chess Champion, has an intriguing Chess on Stamps Exhibit -
in addition to the images, you will often find relevant chess games.
The COSSU is a group of collectors who are interested in the thematic "Chess-on-Stamps." There are
occasional mail auctions held, where members buy and sell their duplicate material.
Vladislav, a collector for more than 20 years, includes on his site a catalog of ALL postal items of Russia on the
theme of chess - stamps, postal stationery, postmarks.
A dealer specializing in topical chess stamps, souvenir sheets, errors, stationary, covers, cancels and
fdc's plus chess vignettes and not-geld. New items added weekly.