Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (21mm, 4.38 g, 6h). Constantinople mint, 5th officina. Struck 654-659. Crowned facing busts of Constans and Constantine, each wearing chlamys; cross above / Cross potent set upon three steps; Є//CONOB. DOC 25e; MIB 26; SB 959. Lustrous, peripheral weakness. EF.

From the Conti Collection.