Cat.#   Description  
RSFSR Issues 1918-23 (1-34)
Early Soviet Issues of 1923-30 (35-102)
Issues of 1931-35 (103-176)
Pre-Great Patriotic War Issues of 1936-41 (177-297)
Great Patriotic War Issues of 1941-45 (298-331)
Post-War Issues of 1946-47 (332-379)
Issues of 1948 (380-405)
Issues of 1949 (406-438)
Issues of 1950 (439-453)
Issues of 1951 (454-479)
Issues of 1952 (480-494)
Issues of 1953 (495-501)
Issues of 1954 (502-512)
Issues of 1955-57 (513-557)
Issues of 1958-60 (558-611)
Modern Soviet Errors and Varieties of 1961-91 (612-729)