United States (1001-1050)
Great Britain (1051-1058)
British Commonwealth (A-G) (1059-1102)
Hong Kong (1103-1108)
British Commonwealth (I-Z) (1109-1173)
Albania (1174-1176)
Armenia (1177-1183)
Austria (1184-1188)
Azerbaijan (1189-1194)
Belgian Congo (1195-1195)
Bosnia and Herzegovina (1196-1203)
Bulgaria (1204-1206)
Carpatho - Ukraine (1207-1208)
Central Lithuania (1209-1209)
China (1210-1210)
Republic of China (1211-1212)
People's Republic of China (1213-1234)
Colombia (1235-1235)
Crete - Russian Administration (1236-1237)
Czechoslovakia (1238-1240)
Ecuador (1241-1244)
Egypt (1245-1248)
Estonia (1249-1252)
Finland (1253-1253)
France (1254-1259)
*
French Southern and Antarctic Territories (1260-1260)
Georgia (1261-1270)
Germany (1271-1295)
*
German Occupation Issues during the WWII (1296-1304)
*
Propaganda Forgeries during the WWII (1305-1310)
Greece (1311-1312)
Greenland (1313-1313)
Hungary (1314-1316)
Israel (1317-1317)
Italy (1318-1323)
Italian Colonies (1324-1324)
Karelia (1325-1325)
Korea (1326-1331)
North Korea (1332-1336)
Latvia (1337-1340)
Mexico (1341-1344)
Netherlands Colonies (1345-1345)
Nyassa (1346-1347)
Poland (1348-1358)
Portugal (1359-1359)
Romania (1360-1362)
Imperial Russia 1848-1917 (1363-1404)
RSFSR Issues 1918-1923 (1405-1419)
Soviet Union Stamps 1923-1934 (1420-1527)
Soviet Union Stamps 1935-1941 (1528-1638)
Soviet Union Stamps 1941-1949 (1639-1771)
Soviet Union Stamps 1950-1991 (1772-1877)
Soviet Union Collective Lots and Collections (1878-1883)
Russian Semi-Postal Issues (1884-1905)
Russian Air Post Stamps and Covers (1906-1937)
Philatelic Exchange Tax Stamps (1938-1942)
Wenden (1943-1943)
North West Army Issues (1944-1945)
Russian Offices in China (1946-1951)
Russian Offices in the Turkish Empire (1952-1960)
*
Wrangel Issues (1961-1963)
Russian Locals of the Civil War period (1964-1979)
Zemstvo (Rural Post) Locals (1980-2137)
Saudi Arabia (2138-2141)
Spain (2142-2144)
Tannu Tuva (2145-2151)
Thailand (2152-2153)
Transcaucasian Federated Republics (2154-2156)
Turkey (2157-2158)
Ukraine (2159-2160)
*
Ukrainian Trident Overprints (2161-2193)
*
Ukrainian DP Camp Issues (2194-2215)
*
Western Ukraine (2216-2221)
Yugoslavia (2222-2224)