Circulating piece in sand patina.
Obverse: bust of Caesar in armor, wearing a laurel wreath, left, in the rim legend:
CONSTANTINVS IVN NOB C;
Reverse: camp gate of 5 rows of bricks, with open gate, in the rim legend:
PROVIDEN-TIAE CAESS; in section SMALA;
Bronze, diameter 20 mm, weight 3.91 g, axis 12 h.