Piece with nicely preserved details.
Coin with traces of binding.
Obverse: coat of arms of Hungary, legend in the rim:
IOS-II-D-G-R-IMP-S-A--G-H-B-REX-A-A-D-B-&-L-;
Reverse: Madonna and child, surrounded by legend:
S-MARIA MATER DEI-PATRONA HUNG-1783;
Silver, mm diameter, g weight.