Constans II (641-668) with Constantine IV. AR Hexagram, Constantinople mint, 654-659 AD. D/ [dN CONST]ANTINYS C CONSTANT. Facing busts of Constans with long beard, and Constantine IV, beardless; each wearing crown and chlamys; between their heads, cross. R/ dЄYS AdIYtA ROMANIS. Cross potent on globe above three steps; in field to right, B. D.O. 55; Sear 996. g. 6.60 mm. 23.50 R. Rare. Brilliant, superb and lightly toned, with underlying luster and iridescent hues. Minor areas of flatness, otherwise EF.