Soviet_Union_stamp_catalogue
Soviet Union stamp catalogue
Bhanwarlal sinwar
Soviet Union stamp catalogue (or CPA catalogue) is a national catalogue of the RSFSR and USSR postage stamps and miniature sheets, which was being published in the USSR by the “Soyuzpechat” Central Philatelic Agency (CPA) and some other publishers related to the Ministry of Communications. The catalogue usually republished in corpore around once in a 10–15 years. In between republications, additional issues came out every year. These issues contains descriptions of stamps and miniature sheets issued in USSR last year.