Poland
3.4 - 4.1$
price on 08.10.2022
LVG Schneider Biplane
Pol:PL 268 : SG 258 overprinted "Challenge 1934" in red
Pol:PL 268 : SG 258 overprinted "Challenge 1934" in red
| Country: | Poland |
| Type: | Postage stamps |
| Series: | Int. Air Tournament |
| Nominal: | 20 gr |
| Year: | 1934 |
| Size: | 32 x 26 mm |
| Perforation: | comb 12¾ x 12½ |
| Mintage: | 222,300 |
Int. Air Tournament
 Airplane over Warsaw - Overprinted 3.4$ |  Zwirko (pilot) and Wigura (aircraft designer) - Overprinted 1.9$ |