USSR
0.84 - 1$
price on 22.03.2023
| Country: | USSR |
| Type: | Postage stamps |
| Series: | History of Russian Aircraft (1st series) |
| Nominal: | 6 k |
| Year: | 1974 |
| Material: | coated |
| Size: | 52 x 37 mm |
| Perforation: | comb 11½ x 12 |
| Mintage: | 4,100,000 |
History of Russian Aircraft (1st series)
 A.F. Mozhaysky (1882) 0.2$ |  Grizodubov No.2 Biplane (1910) 0.12$ |  Sikorsky "Rossiya-A" (1910) 0.06$ |  Sikorsky "Russky Vityaz" (1913) 0.05$ |
 Grigorovich "M-5 Flying Boat" (1914) 0.84$ |