2.50 Mark Sparkasse
€257,115.00
| Issuer | Insterburg, City of |
| Year | |
| Type | Local banknote |
| Value | 2.50 Mark |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | 88.9 × 63.5 mm |
| Shape | Rectangular |
| Printer | Carl Flemming & T. C. Wiskott A.G., Glogau, Poland |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |