Byzantine Coinage, Heraclius, Heraclius Constantine and Heraclonas (632-641), Heraclius, Heraclius Constantine and Heraclonas, Solidus, Constantinople, three standing figures, rev. cross potent atop three steps, monogram to right, officina δ, 4.54g (DO 33 var. [officina]; Sear 758). About extremely fine £300-£360