A nice piece with well preserved details.
An item appreciated by the authors of the RIC catalog with a high rarity grade of R3 meaning that 4 to 6 pieces were known to them.
Obverse: august head in a rosette diadem, clockwise, in the rim legend:
CONSTAN-TINVS AVG;
Reverse: camp gate of 6 rows of bricks, with open gate, in the rim legend:
PROVIDEN-TIAE AVGG; in section SMKGamma-;
Bronze, diameter 18 mm, weight 3.36 g, axis 12 h.