USSR
| Country: | USSR |
| Type: | Postage stamps |
| Series: | Definitive Issue No.4 |
| Nominal: | 40 k |
| Year: | 1937 |
| Size: | 18 x 26 mm |
| Perforation: | comb 12 x 12½ |
Definitive Issue No.4
 Factory Worker (no background) 0.16$ |  Factory Worker (with background) 0.15$ |  Vladimir Lenin (1870-1924) |