Byzantine Constans II, Constantine IV, Heraclius, and Tiberius, AE, Follis, (Bronze, 4.71 g. 22 mm.) Constantinople. 641-668 AD. Constans II, Constantine IV, Heraclius, and Tiberius, AE, Follis, (Bron
Byzantine Constans II, Constantine IV, Heraclius, and Tiberius, AE, Follis, (Bronze, 4.71 g. 22 mm.) Constantinople. 641-668 AD. Constans II, Constantine IV, Heraclius, and Tiberius, AE, Follis, (Bron