Anti - aircraft missile
40 Vietnamese xu 1968
Vietnam
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | 3000th US aircraft brought down over North Vietnam |
| Nominal: | 40 Vietnamese xu |
| Year: | 1968 |
| Size: | 41 x 28 mm |
| Perforation: | 11 |
3000th US aircraft brought down over North Vietnam
 Old militiamen |  Women militia |  Air force |  Anti - aircraft missile |