1 000 000 000 Mark
€440,421.00
| Issuer | Furtwangen, City of |
| Year | 1923 |
| Type | Local banknotes |
| Value | 1 000 000 000 Mark (1 000 000 000) |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | 142 × 90 mm |
| Shape | Rectangular |
| Printer | |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | P#Keller 1670c.1 |