Watch List notes:

Constans II (641-668) with Constantine IV. AV Solidus. Constantinople mint. Struck 654-659 AD. D/ Crowned and draped facing busts of Constans, with long beard, and young Constantine; cross above. R/ Cross potent on three steps; E/CONOB. D.O. 25. Sear 959. AV. g. 4.37 mm. 21.00 Weakness. About EF.