CONSTANS II, with Constantine IV, (641-668), gold solidus (4.39 g), Constantinople mint, 10th officina, struck 654-659, obv. D N CONSTANTINVS C CONSAN, crowned busts of Constans and Constantine facing, each wearing chlamys; cross above, rev. VICTORIA AVAUI around, cross potent set on three steps, in exergue CONOB, (S.959, DOC Type 25j, MIB 26). Extremely fine, rare.