Watch List notes:

Constans II (641-668). AV Solidus, Constantinople mint. Obv. Facing busts of Constans and Constantine IV. Rev. Cross potent on three steps between facing standing figures of Heraclius and Tiberius; beneath, CONOBT. D.O. 38. Sear 971. AV. g. 4.25 mm. 19.50 R. Rare. VF.