Watch List notes:

Constans II. 641-668. AR Hexagram (22.1mm, 5.06 g, 6h). Constantinople mint. Struck circa 641 or slightly later. Crowned and draped bust facing, holding globus cruciger / Cross potent set on globe set on three steps. DOC (Heraclonas) 4; MIB 142; Yannopoulos 3; SB 988. VF, toned, porosity. Rare.