A very nice, well-stamped piece, with a well-preserved glossy background.
A variation of punctuation not described in Vossberg.
Obverse: in the pearl rim the Grand Master's shield, in the outer rim the legend:
*MAGSTHINRICVS OVA;
Reverse: in the pearl rim the Order's shield, in the outer rim the legend:
N○MONETA DOMI PR○;
Silver, diameter 20.4 mm, weight 1.33 g.