A very nice piece.
Well preserved details and luster.
Obverse: in the pearl border bust of the ruler, in armor, to the right, in the outer border legend:
*IVSTVS*EX*FIDE*VIVIT*1543*;
Reverse: in the pearl rim the eagle of Prussia, in the outer rim the legend:
ALBER*D*G*MAR*BRAN*DVX*PRVSS;