20 Heller Helfenberg
€211,866.00
| Issuer | Helfenberg, Municipality of |
| Year | 1920 |
| Type | Local banknote |
| Value | 20 Hellers (0.20) |
| Currency | Krone (1918-1921) |
| Composition | Paper |
| Size | |
| Shape | Rectangular |
| Printer | |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |