Quote:
echizento: Very nice, I'd like to get one of these.

This Proof Set is a
true piece of history!
The Cyrillic letters "CCCP" are equivalent to "SSSR" in English letters.
"SSSR" is the Russian abbreviation for "Soyuz Sovetskikh Sotsialisticheskikh Respublik", which abbreviates as "U.S.S.R." in English (for "Union of Soviet Socialist Republics")