A very nice piece with well-preserved silver plating. Patina, anlot.
Obverse: bust of Augustus in laurel wreath, consular attire, with branch and globe, left, in rim legend:
IMP CONSTA-NTINVS AVG;
Reverse: Jupiter standing left, holding Victoria on globe and spear, surrounded by legend:
IOVI CONS-ERVATORI AVGG, in fields wreath and Z, in segment SMK;
Silver-plated bronze, diameter 19 mm, weight 3.04 g, axis 6 h.