A nice piece.
Typical for this issue, slight scarcity.
Obverse: in the pearl border the figure of a knight with a coat of arms on a shield, in the outer border the legend:
*MO-ARG-PRO--CONFOE-BEL-GEL-;
Reverse: crowned coat of arms of the Netherlands, on the sides the date 16-21, in the outer rim the legend:
+CONCORDIA-RES-PARVAE-CRESCVNT;