Byzantium.
Heraclius (610-641 CE), AE Follis, 30mm, 11.44g, of Cyzicus, near modern-day Erdek in Turkey, obverse; [Ꝺ]. N. HRACLI PЄRP [AVG], cuirassed bust facing, with short beard, wearing plumed helmet, and holding cross and shield, reverse; cross above large M between A / N / N / O and regnal year number III, officina letter B beneath, KYZ in exergue, S-839, Fine.
