Constantine II AE3. 325-326 AD, Heraclea.

Obv: CONSTANTINVS IVN NOB C, laureate, draped, cuirassed bust right
Rev: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 5 layers, star above, no doors
Mintmark: SMH gamma

RIC VII Heraclea 77, rated C1.

AAH ebay 2001, description and attribution was wrong.