| Number | KM# 11 |
|---|---|
| Country | South Vietnam |
| Period | South Vietnam (1953 - 1975) |
| Coin type | Circulation coins |
| Denomination | 20 dong |
| Year | 1968 |
| Composition | Nickel plated Steel |
| Edge type | Smooth |
| Shape | 12-sided |
| Alignment | Medal (0°) |
| Weight (g) | 9 |
| Diameter (mm) | 29.6 |
| Mintage | 500.000 |