Vietnam
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | 1st Anniv. of team manned space flight |
| Nominal: | 20 Vietnamese xu |
| Year: | 1963 |
| Size: | 45 x 25 mm |
| Perforation: | 11 |
1st Anniv. of team manned space flight
 Vostok Spacecrafts. 3, And 4 |  Nikolaev |  Popovich |