THE DR. JOHN H. AVTSIN COLLECTION OF SOVIET ADVERTISING LABELS OF 1923-29 (1-122)

* Labels Issued in Moscow (1-89)

* Labels Issued in Kiev (90-92)

* Labels Issued in Petrograd (Leningrad) (93-102)

* Labels Issued in Odessa (103-106)

* Labels Issued in Rostov-on-Don (107-108)

* Labels Issued in Samara (109-112)

* Labels Issued in Simferopol (113-113)

* Labels Issued in Kharkov (114-116)

* Tobacco Advertisement Labels (117-117)

* Labels issued by Non-Postal Organizations (118-119)

* Ukrainian State Publishing House (120-121)

* Balance of the Dr. John H. Avtsin Collection (122-122)

THE MICHAEL PIPE COLLECTION OF SOVIET UNION 1923-91

* First Agriculture Exhibition Issue (123-124)

* First Definitive Issue - Lithographic Printing (125-125)

* Lenin Mourning Issue (126-130)

* First Definitive Issue - Typographical Printing (Imperforated stamps) (131-138)

* First Definitive Issue - Typographical Printing (Perforation 14 1/2 x15) (139-147)

* First Definitive Issue - Typographical Printing (Perforation 12 1/2 and High Values) (148-160)

* Lenin Mausoleum Issue (161-162)

* Lenin 5r and 10r Definitive Issue (163-166)

* First Definitive Issue - Perforated and Imperforated stamps on Watermarked Paper (167-174)

* Commemorative Issues of 1925-26 (175-179)

* Fist Definitive Issue on Improved Paper (180-181)

* Lenin 1r-3r Definitive Issue (Watermark Borders and Rosettes) (182-186)

* Surcharge 8 kop on Definitive and Commemorative stamps (187-188)

* Surcharge 8k on Postage Due stamps (189-201)

* Dr. Zamenhof, Creator of Esperanto Issue (202-207)

* 10th Anniversary of the October Revolution Issue (208-221)

* Second Definitive and 10th Anniversary of the Red Army Issues (222-225)

* 100th Anniversary of the Birth of Leo Tolstoy (226-226)

* Lenin 3r-10r Definitive Issue (Watermark Lozenges) (227-230)

* Pioneer's Assembly Issue (231-235)

* Third Definitive Issue (236-241)

* Industrialization Issue (242-243)

* First Cavalry Army Issue (244-244)

* Educational Exhibition Issue (245-246)

* 25th Anniversary of the Revolution of 1905 (247-248)

* Maxim Gorky Issue (249-249)

* 15th Anniversary of the October Revolution Issue (250-255)

* 10th Anniversary of the International Revolutionaries' Aid Association (MOPR) Issue (256-258)

* Karl Marx Issue (259-259)

* Moscow and Leningrad Philatelic Exhibition Issues (260-266)

* Ethnographic Issue (267-269)

* Revolutionary Heroes Issue (270-271)

* Order of the Red Banner Issue (272-274)

* Baku Commissars Issue (275-283)

* Lenin Mausoleum Issue (284-284)

* Ivan Fedorov Issue (285-287)

* Sverdlov and Nogin Issue (288-289)

* Dmitry Mendeleyev Issue (290-291)

* First Decade without Lenin Issue (292-292)

* Anti-War Propaganda Issue (293-293)

* Moscow Subway Issue (294-297)

* Friedrich Engels Issue (298-298)

* Moscow Spartacist Games Issue (299-300)

* Iranian Arts Issue (301-301)

* Mikhail Kalinin Issue (302-303)

* Leo Tolstoy Issue (304-305)

* Revolutionary Heroes Issue (306-309)

* Pioneers Helping Post Issue (310-316)

* Nikolai Dobrolyubov Issue (317-317)

* 100th Anniversary of the Death of Alexander Pushkin Issue (318-325)

* Architectural Projects Issue (326-334)

* Felix Dzerzhinsky Issue (335-337)

* Shota Rustaveli Issue (338-339)

* Paris Exposition Issue (340-341)

* Definitive Issue on Paper without Watermark (342-357)

* Other Issues of 1938 (358-372)

* Issues of 1939 and Definitive Issue of 1939-47 (373-399)

* Issues of 1940 (400-417)

* Issues of 1941 (418-433)

* Issues of 1942-43 (434-439)

* Issues of 1944 (440-450)

* Issues of 1945 (451-457)

* Issues of 1946 (458-470)

* Issues of 1947 (471-500)

* Issues of 1948 (501-516)

* Issues of 1949 (517-543)

* Issues of 1950 (544-565)

* Issues of 1951 (566-577)

* Issues of 1952-54 (578-592)

* Issues of 1955-56 (593-604)

* Issues of 1957-58 (605-645)

* Issues of 1959-60 (646-657)

* Issues of 1961-91 (658-764)

Soviet Semi-Postal Issues (765-778)

Soviet Air Post Stamps and Covers (779-842)

* ''Fokker F-111'' Issue (779-784)

* Air Post Conference in Hague Issue (785-786)

* Moscow Zeppelin Flight Issue (787-789)

* Airship (Dirigible) Issues (790-801)

* Ice-Breaker ''Malygin'' Issue (North Pole Zeppelin Flight) (802-804)

* International Polar Year Issue (805-807)

* Stratostat ''CCCP 1'' Issue (808-809)

* Civil Aviation Issues (810-813)

* The Stratosphere Disaster Issue (814-816)

* Airships Issue (817-818)

* Chelyuskin Rescue Issue (819-822)

* Surcharges for Moscow-San Francisco Flight (823-828)

* Aviation Exhibition Issue (829-831)

* Aviation Day Issue (832-832)

* Air Post Issues of 1941-91 (833-839)

* First Flight ''Dobrolet'' Cover on-line ''Moscow - Irkutsk'' (840-840)

* Zeppelin Flight Cover (841-841)

* Special Delivery stamps (842-842)