Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (19mm, 4.33 g, 6h). Constantinople mint, 7th officina. Struck 654-659. Crowned and draped busts of Constans and Constantine facing; cross above / Cross potent set on three steps; (retrograde Z)//CONOB. DOC 25g; MIB 26; SB 959. Good VF.