Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (19mm, 4.38 g, 6h). Constantinople mint, 3rd officina. Struck 654-659. Crowned and draped busts of Constans and Constantine facing; cross above / Cross potent set on three steps; Γ//CONOB. DOC 25c; MIB 26; SB 959. Near EF, lustrous.