Stamps of Russia, 5 base month
301 to 350 of 660
postage
1977, May 12 Siberian Flora issue - Siberian flora unwmk (no perf info)
| X | 6k | multi | Cerastium | |||
| - | 16k | multi | Rhododendron aureum |
1977, May 12 Birth Centenary of Felix Dzerzhinsky issue
| - | 4k | multi |
1977, May 16 Soyuz 24 flight issue p. 12x11.5
| - | 10k | multi | V. V. Gorbatko and Y. N. Glazkov |
1980, May 12 workers delegates 75th issue p. 12
| - | 4k | multi |
1980, May 14 Warsaw Pact 25th issue
| - | 32k | multi | — | — |
1980, May 15 helicopters (1980) (6 stamps)
| - | 1k | multi | Yak-24 | |||
| - | 2k | multi | Mi-8 | |||
| - | 3k | multi | Ka-26 | |||
| - | 6k | multi | Mi-6 | |||
| - | 15k | multi | Mi-10 | |||
| - | 32k | multi | V-12 | — | — |
1980, May 16 David Anacht 1500th issue
| - | 4k | multi | David Anacht |
1981, May 5 WIPA 1981 issue (no perf info)
| - | 15k | multi | Hofburg palace |
1981, May 7 60th Anniversary of Adzharia ASSR issue
| - | 4k | multi | Adzgaria |
1981, May 12 100th Anniversary of the Invention of Welding issue p. 11.5
| - | 4k | multi | N. N. Benardos |
1981, May 12 14th Congress of International Union of Architects issue
| - | 15k | multi |
1981, May 15 Russian Paintings 1981 issue - Russian Paintings (1981) (no perf info)
| - | 10k | multi | by A.A. Ivanov | |||
| X | 10k | multi | by N.N. Ge | |||
| - | 10k | multi | by M.A. Vrubel | |||
| - | 10k | multi | by F.A. Rubo |
1981, May 15 Soviet-Romanian Space Flight issue
| - | 6k | multi | p. 11.75x12.25 | |||
| - | 15k | multi | ||||
| - | 32k | multi | p. 11.75x12.25 |
1981, May 20 Flowers of the Carpathians (no perf info) (5 stamps)
| - | 4k | multi | Primula minima | |||
| - | 6k | multi | Carlina acaulis | |||
| - | 10k | multi | Parageum montanum | |||
| - | 15k | multi | Atragene alpina | |||
| - | 32k | multi | Rhododendron kotschyi |
1981, May 25 840th Birth Anniversary of Nizami Gyandzhevi issue p. 11.5
| - | 4k | multi | Nizami Gyandzhevi |
1981, May 25 Luigi Longo memorial issue
| - | 6k | multi | Luigi Longo |
1982, May 5 19th Komsomol Congress issue
| - | 4k | multi | Komsomol badge |
1982, May 5 70th Anniversary of Pravda issue p. 12x11.5
| - | 4k | multi |
1982, May 10 10th Anniversary of Environment Programme of the United Nations issue p. 11.5
| - | 6k | multi |
1982, May 19 60th Anniversary of Vladimir Lenin All-Union Pioneer Organization issue
| - | 4k | multi |
1982, May 19 International Telecommunications Union Conference 1982 issue
| - | 15k | multi | "Ostankinskaya" |
1982, May 20 locomotives (1982 Russia) p. 12x11.5 (5 stamps)
| - | 4k | multi | Electric VL 80t | |||
| - | 6k | multi | Diesel TEP 75 | |||
| - | 10k | multi | Diesel TEM 7 | |||
| - | 15k | multi | Electric VL 82m | |||
| - | 32k | multi | Electric locomotive ER 200 |
1983, May 5 (no perf info)
| - | 4k | multi | Rostov-on-Don |
1983, May 5 165th Birth Anniversary of Karl Marx issue p. 11.75x12.25
| - | 4k | multi | Karl Marx |
1983, May 12 60th Anniversary of Buryat ASSR issue (no perf info)
| - | 4k | multi |
1983, May 12 200th Anniversary of the Kirov Opera and Ballet Theatre issue p. 11.5x12
| - | 4k | multi | Kirov Opera and Ballet Theatre emblem |
1983, May 20 8th Summer Spartakiad issue p. 11.75
| - | 6k | multi |
1983, May 25 80th Anniversary of Aram Khachaturyan issue (no perf info)
| - | 4k | purbrn | Aram Khachaturyan |
1984, May 5 aquatic flowers
| - | 1k | multi | lotus | |||
| - | 2k | multi | Euriala | |||
| - | 3k | multi | Yellow water lilies |
301 to 350 of 660