Watch List notes:

Constans II, with Constantine IV, 641-668. Solidus (Gold, 20 mm, 4.43 g, 7 h), Constantinopolis, circa 654-659. δ N CONSTANTINЧS C CONSTA 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, on the right; above, cross. Rev. VICTORIA AVζЧ ς / CONOB Cross potent on base and three steps. DOC 25f. MIB 26. SB 959. A lustrous example. Minor graffito on the reverse, otherwise, good extremely fine.