United States (1-18)
Great Britain (19-28)
British Commonwealth (A-G) (29-129)
Hong Kong (130-141)
British Commonwealth (I-Z) (142-243)
Albania (244-252)
Algeria (253-253)
Angola (254-254)
Armenia (255-268)
Austria (269-278)
Azerbaijan (279-280)
Belgian Colonies (281-282)
Belgium (283-283)
Bosnia and Herzegovina (284-285)
Brazil (286-286)
Bulgaria (287-291)
Chile (292-293)
China (294-299)
Republic of China (300-301)
People's Republic of China (302-379)
Colombia (380-382)
Crete - Russian Administration (383-390)
Croatia (391-395)
Cuba (396-400)
Czechoslovakia (401-403)
Danzig (404-404)
Denmark (405-405)
Ecuador (406-408)
Egypt (409-412)
Estonia (413-417)
Finland (418-426)
France (427-433)
French Colonies (434-446)
Georgia (447-468)
Germany (469-531)
* German Occupation Issues durung the World War II (532-563)
* German Local Issues after the World War II (564-574)
Greece (575-578)
Greenland (579-581)
Hungary (582-588)
Iceland (589-590)
Iran (591-591)
Israel (592-594)
Italy (595-602)
Italian Colonies (603-610)
Japan (611-616)
Karelia (617-619)
Korea (620-627)
North Korea (628-636)
Laos (637-637)
Latvia (638-646)
Liberia (647-654)
Libya (655-655)
Liechtenstein (656-656)
Lithuania (657-660)
* Macao (661-662)
Mexico (663-667)
Monaco (668-668)
Mongolia (669-679)
Nepal (680-682)
Netherlands Colonies (683-686)
North Ingermanland (687-688)
Norway (689-689)
Poland (690-699)
Portugal (700-703)
Portuguese Colonies (704-706)
Romania (707-709)
Russia (710-780)
RSFSR Issues 1918-23 (781-804)
Soviet Union Stamps 1924-41 (805-919)
Soviet Union Stamps 1941-91 (920-1031)
Russian Semi-Postal Issues (1032-1049)
Russian Air Post Stamps and Covers (1050-1090)
Russian Postage Due Stamps (1091-1092)
Russian Official Stamps (1093-1097)
Wenden (1098-1098)
Russian Offices in China (1099-1116)
Russian Offices in the Turkish Empire (1117-1152)
Russian Locals of Civil War period (1153-1170)
Zemstvo (Rural Post) Locals (1171-1314)
SAAR (1315-1316)
San Marino (1317-1319)
Saudi Arabia (1320-1320)
Spain (1321-1328)
Sweden (1329-1329)
Switzerland (1330-1334)
Tannu Tuva (1335-1349)
Thailand (1350-1357)
Turkey (1358-1358)
Ukraine (1359-1378)
* Western Ukraine (1379-1385)
Vatican City (1386-1401)
* South Vietnam (1402-1403)
North Vietnam (1404-1414)
Yugoslavia (1415-1417)
* Trieste (Zone B) (1418-1422)