A beautiful, well-minted piece.
Obverse: in the pearl rim the Grand Master's shield, in the outer rim the legend:
MAGS-T○PA-VLVS-PRIM;
Reverse: in the pearl rim the Order's shield, in the outer rim the legend:
MONE-TA DN-ORVM-PRVC;
Silver, diameter 19.5 mm, weight 1.45 g.