Watch List notes:

Constans II (641-668), solidus, Constantinople, facing busts of Constans II and Constantine IV, between their heads cross, rev., long cross potent on three steps between facing standing figures of Heraclius and Tiberius; officina A; in ex., CONOB, 4.50g (DO 30; S. 964; MIB 31), minor reverse marks, virtually mint state Ex European Ambassador Collection, formed in the 1950s and 1960s.

Estimate: 400 - 500 GBP