Watch List notes:

Constans II, with Constantine IV, 641-668. Solidus (Gold, 20 mm, 4.43 g, 6 h), Constantinopolis, 654-659. δ N CONSTANTINЧS C CONT' Crowned and draped bust of Constans II facing, with long beard and whiskers, on the left; crowned, draped and beardless bust of Constantine IV facing, above, cross. Rev. VICTORIA AVςЧ S / CONOB+ Cross potent on base and three steps. DOC 27e. MIB 27. SB 961. The reverse somewhat double struck, otherwise, good extremely fine.