Półgrosz - Siemowit III Elder Płock mint
€139,067.00
| Issuer | Masovia, Duchy of |
| Year | 1350-1379 |
| Type | Standard circulation coin |
| Value | 1/2 Groschen = 8 Deniers (1) |
| Currency | Denier (1173-1426) |
| Composition | Silver |
| Weight | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Kop#224 |