25 Pfennig - Bonn Hauptmannsche Druckerei
€315,137.00
| Issuer | Bonn, City of |
| Year | 1917 |
| Type | Standard circulation coin |
| Value | 25 Pfennigs (25 Pfennige) (0.25) |
| Currency | Mark (1914-1924) |
| Composition | Zinc |
| Weight | 2.4 g |
| Dimensions | 22.0 mm |
| Thickness | 1.2 mm |
| Shape and Technique | Octagonal (8-sided) Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Men05#3197.1, Men18#4101.1 |