Vietnam
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | Five-Year Plan (4th issue) |
| Nominal: | 12 Vietnamese xu |
| Year: | 1963 |
| Size: | 41 x 22 mm |
| Perforation: | 11 |
Five-Year Plan (4th issue)
 Workers in field |  Lam Thao superphosphate factory |