3 kreutzers – M.Cz.III 7108 n
| Item | 3 kreutzers, Silesia, Duchy of Krnov, Johann Georg |
| Id no. | M.Cz.III 7108 n |
| Period | 1615, minted in Krnov |
| Place of discovery | Częstochowa, Old Town |
| ul. Nadrzeczna and Plac Bohaterów Getta, near the junction with ul. Jaskrowska (the cemetery next to the remains of the foundations of the old Church of Saint Barbara) | |
| Material | silver |
| Weight and size | 1.452 g; 21.4 mm |
| Location in exhibition | Showcase #5 |
Obv.: the ruler's bust, with the circumscription: IOHAN∙GEOR③D:G∙MAR∙BR∙
Rev.: a five-field escutcheon below a crown, with the circumscription: ∙GROS∙ARG∙III∙CRV∙615∙ Cp. – the mark of Casper Hennemann
Part of the treasure discovered in 2015.