| Issuer | German Democratic Republic |
| Year | 1968 |
| Type | Non-circulating coin |
| Value | 20 Mark (20 DDM) |
| Currency | Mark (1948-1990) |
| Composition | Silver (.800) |
| Weight | 20.9 g |
| Dimensions | 33 mm |
| Thickness | 3.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Gerhard Rommel, Axel Bertram |
| In circulation to | |
| Reference(s) | KM#21 |
| Obverse description | Emblem of the GDR, German Democratic Republic: The hammer and compass in a rye crown and ribbon in the colours of the German flag, black, red and yellow. |
| Obverse script | Latin |
| Obverse lettering | DEUTSCHE DEMOKRATISCHE REPUBLIK 1968 20 MARK |
| Reverse description | Left profile of Karl Marx. Dates below. |
| Reverse script | Latin |
| Reverse lettering | KARL MARX 1818-1883 R4 |
| Edge | Lettering: 20 MARK * |
| Mint | |
| Mintage | 1968 - - 100 000 1968 - Proof - |
| Catalog ID | 3618626010 |
| Comments |
