Constans II, with Constantine IV, 641-668. Hexagram (Silver, 20 mm, 4.77 g, 6 h), Constantinopolis, 654-659. δ N CONSTANTINЧS C CONSTAN Crowned and draped bust of Constans facing, with long beard and whiskers, on the left; crowned, draped and beardless bust of Heraclius Constantine facing, on the right; above, cross. Rev. dЄЧS AdIЧTA ROMANIS Cross potent on globe and three steps; in left field, B. DOC - . MIB - . SB -. Apparently unpublished with B in the left field. Minor marks, otherwise, good very fine.