A very nice piece.
Obverse: bust of the emperor in laurel wreath, armor and paludamentum, to the right, in the rim legend:
IMP MAXIMINVS PIVS AVG;
Reverse: emperor standing between two banners, holding a long scepter, surrounded by legend:;
P M TR P II COS P P;
Silver, diameter 18 x 19 mm, weight 3 g, axis 6 h.