Crown half-groschen, John Albert – M.Cz.III/N 154
| Item | Crown half-groschen, Kingdom of Poland, John Albert |
| Id no. | M.Cz.III/N 154 |
| Period | 1492-1498, minted in Cracow |
| Place of discovery | Częstochowa, Old Town |
| ul. Warszawska | |
| Material | silver |
| Weight and size | 0.985 g; 17.6 mm |
| Location in exhibition | Showcase #6 |
Obv.: A crowned eagle, with the circumscription: MONETA ALBERTI + [COIN OF ALBERT]
Rev.: A crown; below it, the Poraj coat of arms (rose) of Piotr “Piorun” of Kurozwęki, crown treasurer; with the circumscription: REGIS POLONIE + [THE KING OF POLAND]
Part of the treasure discovered in 1962.