Vietnam
Contrary to what is indicated on the stamp, the two individuals represented (male and female) are not Anas falcata, but two Mallards (Anas platyrhynchos).
| Country: | Vietnam |
| Type: | Postage stamps |
| Series: | Water Birds |
| Nominal: | 12 Vietnamese xu |
| Year: | 1972 |
| Size: | 34 x 46 mm |
| Perforation: | comb 12 |
