1/2 Grosso - Pietro di Montebruno Sede Vacante, Uncertain mint
€363,951.00
| Issuer | Papal States |
| Year | 1268-1271 |
| Type | Standard circulation coin |
| Value | 1/2 Groschen (1/2 Grosso) |
| Currency | Groschen (1188-1534) |
| Composition | Silver |
| Weight | 1.30 g |
| Dimensions | 19 mm |
| Thickness | |
| Shape and Technique | Round Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Munt#1, MIR#133, Berman#163 |