USSR
Slogan: "Long live May Day!"
| Country: | USSR |
| Type: | Postage stamps |
| Series: | May Day |
| Nominal: | 1 ₽ |
| Year: | 1949 |
| Material: | ordinary |
| Size: | 26 x 37 mm |
| Perforation: | line 12¼ |
| Mintage: | 500,000 |
May Day
