USSR
| Country: | USSR |
| Type: | Postage stamps |
| Series: | All-Union Physical Culture Complex |
| Nominal: | 50 k |
| Year: | 1940 |
| Size: | 26 x 37 mm |
| Perforation: | line 12½ |
| Mintage: | 700,000 |
All-Union Physical Culture Complex
 Relay Race |  Athletes Parade |  Pioneers and Badges |  Cross-country Skiing |
 Grenade Throwing |