Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (19mm, 4.31 g, 5h). Constantinople mint, 9th officina. Struck 654-659. Crowned and draped facing busts of Constans and Constantine; cross above / Cross potent set on three steps; Θ//CONOB. DOC 25i; MIB 26; SB 959. Near EF, underlying luster, some hairline scratches.