A fully readable piece.
Coin appreciated by RIC authors with a rarity grade of R4 denoting 2-3 known pieces.
Obverse: bust of Caesar in armor and paludamentum, wearing a laurel wreath, to the right, in the rim legend:
CONSTANTINVS IVN NOB C;
Reverse: camp gate of 8 rows of bricks, with open gate, in the rim legend:
PROVIDEN-TIAE CAESS; in left field -, in segment SMKE;
Bronze, diameter 18 mm, weight 2.98 g, axis 6 h.