Constantine II - Campgate Rome

Constantine II, 22 May 337 - March or April 340 A.D.
Bronze AE 3, RIC VII 289, VF, Rome mint, 3.3 g, 19 mm, as Caesar 326 A.D.; obverse CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left; reverse PROVIDENTIAE CAESS, campgate with two turrets, star above, R wreath T in ex; scarce min