Circulating piece of a rare trojak.
Variety with bust in crown and cap.
Obverse: in a linear border, a legend with triplets at the numerals of the denomination and the date separated by a cartouche with the city coat of arms:
III/GROSS:AR/TRIP:CIVI:/GEDANEN:/15-37;
Reverse: bust of the king in plate armor, cap, to the right, in the rim a legend beginning with a mint mark with punctuation in the form of trilaterals:
SIGIS-I-REX-POLO-DO-TO-PRVSS;