Button bracteate of the city of Opole – M.Cz.I 383a
| Item | Button bracteate of the city of Opole, Silesia, Duchy of Opole |
| Id no. | M.Cz.I 383a |
| Period | 15th century |
| Place of discovery | Częstochowa, Old Town |
| Old Market Square | |
| Material | silver |
| Weight and size | 0.27 g; 14 mm |
| Location in exhibition | Showcase #6 |
Obv.: a depiction of a half-cross and a half-eagle
Rev.: none