Byzantine
Heraclius, with Heraclius Constantine (610-641 AD). Kyzikos
AE Half Follis (20.8mm 3.75g, 6h).
Obv: Crowned and draped figures of Heraclius and Heraclius Constantine standing facing, each holding globus cruciger; [cross above]
Rev: Large K, cross above, A-N-N-O and (date) across field, KYZ in exergue.