| Issuer | German Democratic Republic |
|---|---|
| Year | 1966 |
| Type | Non-circulating coin |
| Value | 20 Mark (20 DDM) |
| Currency | Mark (1948-1990) |
| Composition | Silver (.800) (0.5376 oz ASW) |
| Weight | 20.9 g |
| Diameter | 33 mm |
| Thickness | |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Gerhard Rommel, Dietrich Dorfstecher |
| In circulation to | |
| Reference(s) | KM#16 |
| Obverse description | State emblem, denomination |
|---|---|
| Obverse script | Latin |
| Obverse lettering | DEUTSCHE DEMOKRATISCHE REPUBLIK 1966 20 MDN (Translation: Democratic German Republic 1966 20 Mark) |
| Reverse description | Profile of Leibniz facing to the right |
| Reverse script | Latin |
| Reverse lettering | GOTTFRIED WILHELM LEIBNIZ Rc 1646-1716 |
| Edge | Smooth with inscription |
| Mint | |
| Mintage | 1966 - KM#16.1 - 50 000 1966 - KM#16.1 (Proof) - 1966 - KM#16.2 (error in edge inscription) - |
| Numisquare ID | 6397383160 |
| Comments |