Vietnam
Exists imperforate
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | Space scrafts Vostock 5 and 6 |
| Nominal: | 12 Vietnamese xu |
| Year: | 1964 |
| Size: | 47 x 27 mm |
| Perforation: | 11 |
Space scrafts Vostock 5 and 6
 V. Bykovsky |  Vostock Spacecrafts 5 And 6 |  V. Tereshkova |