That VOC half duit circulated in Ceylon also, so I jump over to India. Delhi Sultans BI 10 gani, Muhammad bin Tughlug, AH727, AD1325-1351. This coin is well struck and centered, one of the best looking Delhi Sultans I have.
Pardon me, I think Slovenia does not border Poland. Slovakia does. I have gotten those two countries confused before. OK, edit again. It is Slovakia, see this link: https://en.numista.com/catalogue/pieces2489.html