Constans II with Constantine IV, Heraclius and Tiberius (641-668). AR Half Siliqua (12.5mm, 0.52g, 6h). Carthage, 662-668. Crowned, draped and cuirassed facing busts of Constans II and Constantine IV; cross between. R/ Crowned, draped and cuirassed facing busts of Heraclius and Tiberius. MIB 158; DOC 133; Sear 1052. Rare, Good VF