Watch List notes:

Constans II, 641-668. Hexagram (Silver, 22 mm, 4.03 g, 5 h), ceremonial issue, Constantinople. d N CONSTANTINЧS P P AVG Crowned, draped and beardless bust of Constans II facing, holding globus cruciger in his right hand. Rev. Cross potent on globe and three steps between two palm branches. DOC 3. MIB 137. SB 985. Extremely rare. Toned and relatively well-struck. Good very fine.