| Issuer | Helgoland, Municipality of |
|---|---|
| Year | 1921 |
| Type | Local banknote |
| Value | 20 Pfennigs (20 Pfennige) (0.20) |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | 70 × 47 mm |
| Shape | Rectangular |
| Printer | H. W. Köbner & Co. GmbH, Altona, Germany |
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| Numisquare ID | 1692835780 |
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