A very nicely preserved Hungarian thaler.
Good details, background blemishes.
Obverse: bust of the ruler to the right, legend in the rim:
TSAR-VI-D:G-R:I:-S:A:G:HI:H:B:REX-;
Reverse: imperial eagle, in the rim legend:
ARCHID:AU:D:BU:M:-MOR:COM:TY:1739;