Cat.#   Description  
United States (1-7)
Great Britain (8-11)
British Commonwealth (A-G) (12-66)
Hong Kong (67-75)
British Commonwealth (I-Z) (76-137)
Armenia (138-148)
Austria (149-152)
Azerbaijan (153-158)
Belgium (159-159)
Bosnia and Herzegovina (160-163)
Brazil (164-164)
Bulgaria (165-168)
China (169-172)
Republic of China (173-178)
People's Republic of China (179-185)
Colombia (186-190)
Crete - Russian Administration (191-194)
Croatia (195-199)
Czechoslovakia (200-201)
Denmark (202-204)
Estonia (205-223)
France and Colonies (224-229)
French Colonies (230-238)
Georgia (239-252)
Germany (253-292)
Greece (293-301)
Greenland (302-302)
Hungary (303-303)
Iceland (304-307)
Iran (308-308)
Italy and Colonies (309-311)
Judaica (312-314)
Korea (315-317)
North Korea (318-330)
Latvia (331-341)
Liberia (342-366)
Libya (367-367)
Liechtenstein (368-368)
Lithuania (369-377)
Mongolia (378-387)
Netherlands Colonies (388-388)
Norway (389-390)
Poland (391-392)
Portuguese Colonies (393-399)
Romania (400-402)
Imperial Russia (403-479)
RSFSR Issues 1918-23 (480-500)
Soviet Union Stamps of 1923-1941 (501-587)
Soviet Union Stamps of 1941-1991 (588-678)
Russian Semi-Postal Issues (679-686)
Russian Air Post Stamps and Covers (687-731)
Russian Postage Due Stamps (732-735)
Russian Official Stamps (736-739)
Russian Offices in China (740-747)
Russian Offices in the Turkish Empire (748-771)
Russian Locals of Civil War period (772-780)
Zemstvo (Rural Post) Locals (A-N) (781-908)
Zemstvo (Rural Post) Locals (O-Z) (909-1034)
San Marino (1035-1035)
Spain (1036-1039)
Sweden (1040-1040)
Tannu Tuva (1041-1051)
Transcaucasian Federated Republics (1052-1055)
Ukraine (1056-1069)
Vatican City (1070-1080)
North Vietnam (1081-1092)
Yugoslavia (1093-1093)