1 Mark
€285,173.00
| Issuer | Keitum, Municipality of |
| Year | 1921 |
| Type | Local banknote |
| Value | 1 Mark |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | |
| Shape | Rectangular |
| Printer | Edler & Krische, Hanover, Germany |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | 31 October 1921 |
| Reference(s) | DeNG 1/2#685.3-2/2 |