Vietnam
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | 26th Congress of USSR's Communist Party |
| Nominal: | 20 Vietnamese xu |
| Year: | 1981 |
| Size: | 32 x 46 mm |
| Perforation: | 11 |
26th Congress of USSR's Communist Party
 Culture and Technology |  Worker And Farmer United |