500 000 Mark
€412,758.00
| Issuer | Koblenz, City of |
| Year | 1923 |
| Type | Local banknote |
| Value | 500 000 Mark (500 000) |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | 171 × 94 mm |
| Shape | Rectangular |
| Printer | |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | DeNG 1/2#865d |