Watch List notes:

Constans II, with Constantine IV. 641-668. AV Solidus (20mm, 4.42 g, 6h). Constantinople mint, 3rd officina. Struck 654-659. ∂ N CONSτAN-S C CONSAτ, crowned and draped busts facing of Constans, to left, and Constantine, to right; cross above / VICTORIA AVGЧ Γ, cross potent on three steps; CONOB. DOC II.2 27b var.; SB 959. Good VF.

From the Ken Bressett Collection.