Watch List notes:

Constans II (641-668). AV Solidus, Constantinople mint. Obv. Facing busts of Constans, with long beard, and Constantine IV, beardless, each wearing crown and chlamys; between their heads, cross. Rev. VICTORIA AVGY B. Cross potent on three steps; beneath, CONOBI. D.O. 26. Sear 960. AV. g. 4.40 mm. 21.50 Rare and superb. EF.