Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (19.5mm, 4.38 g, 6h). Constantinople mint, 10th officina. Struck 654-659. ∂ N CONSτANτINЧS C CONSτANτ, crowned facing busts of Constans and Constantine, each wearing chlamys; cross above / VICTORIA AVςЧ, cross potent set on three steps; I//CONOB. DOC (25j); MIB 26; SB 959. Lustrous, minor weakness in obverse legend, lightly clipped. EF. Well centered and struck from fresh dies.

From the Ray Neff Collection.