Constans II, with Constantine IV, Heraclius and Tiberius (AD 641-668) AR Half Siliqua, Carthage, AD 662-668, 0.52g. Crowned, draped busts of the Constans II and Constantine IV facing. Rev. Crowned, draped busts of Heraclius and Tiberius facing. (Sear 1052). Good Very Fine for issue. Rare.