USSR
0.38 - 0.46$
price on 15.10.2022
Sg:SU 816 - overprinted in red - (18 АВГУСТА день авиации СССР)
| Country: | USSR |
| Type: | Postage stamps |
| Series: | Aviation Day |
| Nominal: | 50 k |
| Year: | 1939 |
| Size: | 26 x 37 mm |
| Perforation: | comb 12 x 12½ |
| Mintage: | 400,000 |
