20 000 000 000 Mark Reichsbahndirektion
€245,413.00
| Issuer | Altona, City of |
| Year | 1923 |
| Type | Local banknote |
| Value | 20 000 000 000 Mark (20 000 000 000) |
| Currency | Mark (1914-1924) |
| Composition | Paper |
| Size | 140 × 71 mm |
| Shape | Rectangular |
| Printer | Chr. Adolff, Altona, Germany |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | P#S1121 |