Byzantine Constans II, with Constantine IV, 641-668. Follis (Bronze, 21 mm, 4.50 g, 7 h), Constantinople, E = 5th officina, year 16 = 656-657. Constans II and Constantine IV standing facing, both crow
Byzantine Constans II, with Constantine IV, 641-668. Follis (Bronze, 21 mm, 4.50 g, 7 h), Constantinople, E = 5th officina, year 16 = 656-657. Constans II and Constantine IV standing facing, both crow