Vietnam
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | World Trade Union Congress |
| Nominal: | 12 Vietnamese xu |
| Year: | 1963 |
| Size: | 31 x 46 mm |
| Perforation: | 11 |
World Trade Union Congress
 FSM emblem 0.07$ |  FSM emblem 0.17$ |  FSM emblem 0.23$ |  South Vietnam Breaking Chains and Map |
 Congress Emblem |