USSR
0.32 - 0.38$
price on 22.02.2023
| Country: | USSR |
| Type: | Postage stamps |
| Series: | History of Russian Aircraft (3rd series) |
| Nominal: | 20 k |
| Year: | 1977 |
| Size: | 38 x 53 mm |
| Perforation: | comb 12 x 11½ |
| Mintage: | 4,100,000 |
History of Russian Aircraft (3rd series)
 P-4 BIS Biplane, 1917 0.1$ |  AK-1 Monoplane, 1924 0.09$ |  R-3 (ANT-3) Biplane, 1925 0.1$ |  TB-1 (ANT-4) Monoplane, 1925 0.12$ |
 R-5 Biplane, 1929 0.18$ |  SH-2 Amphibian, 1930 0.32$ |