1 Groschen - Frederick Charles Joseph
€59,804.00
| Issuer | Mainz, Archbishopric of |
| Year | 1801 |
| Type | Standard circulation coin |
| Value | 1 Groschen (1⁄24) |
| Currency | Conventionsthaler (1764-1803) |
| Composition | Billon |
| Weight | 1.6 g |
| Dimensions | 17 mm |
| Thickness | |
| Shape and Technique | Round |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#133 |