Watch List notes:

Constantine IV Pogonatus (668-685), AV Solidus, 4.38g, Constantinople, officina , helmeted and cuirassed bust three-quarters right, holding spear and shield, rev. cross potent between Heraclius and Tiberius, each wearing crown and chlamys (BMC 10; Sear 1156), lustrous, good very fine.
provenance
Penkill collection
Estimate: £220 - £280