A very nice Prussian guilder from the late 17th century.
A rare variety of bust.
Obverse: in the rope border a bust of the ruler in armor and cloak, to the right, in the outer border a legend:
FRID:WILH:D:G-M-B-S-R-I-ARC & EL;
Reverse: ten-field shield of coat of arms, on its sides initials L C-S, in the rim legend:
CHVRF:BRAND(2/3)LANDMVNZ-1688;