A beautiful piece, very well stamped.
Strong corrugations of the plate.
Obverse: bust of the ruler to the right, in the field legend:
H/IN/RI/C;
Reverse: in the pearl rim a cross, between its arms mint marks, in the outer rim legend:
CIV AVGVSTA;
Silver, diameter 18.8 x 19.5 mm, weight 1.08 g.