A very nice piece.
One of the most popular gold coins of the modern period.
Obverse: a knight standing to the right, holding a sword and a bundle of arrows, at his sides the date 16-48, in the rim the legend:
CONCORDIA-RES-PAR-VAE-CRES-TRA-;
Reverse: in a frame surrounded by labrys an inscription: MO ORDI/PROVIN/FOEDER/BELG-AD/LEG.IMP;
Diameter 23 mm, weight 3.48 g