A very nice piece. Patina, tarnish.
Obverse: bust of the emperor in laurel wreath, armor and paludamentum, to the right, in the rim legend:
IMP ANTONINVS PIVS AVG;
Reverse: Victoria walking left, surrounded by legend:
VICTORIA AVG, in right field *;
Silver, diameter 17 x 18 mm, weight 2.75 g, axis 6 h.