Constantine IV Pogonatus, with Heraclius and Tiberius (668-685). AV Solidus, 677-678 AD. Syracuse mint. Obv. ∂ N COSτANTSςЧ PP. Helmeted and cuirassed bust facing, with short beard; spear over right shoulder, shield with horseman and fallen enemy motif. Rev. +CωҺSτAhτh BASILЄЧS Rm. Vertical I between two dots. Cross potent on three steps between facing standing figures of Heraclius and Tiberius, each wearing crown and chlamys and holding globus cruciger; in exergue CONOB :·. D.O. 57b. Sear 1203. AV. g. 4.16 mm. 29.80 RRR. EF/About EF. Very rare.