Watch List notes:

Constans II. 641-668. AV solidus (20 mm, 4.35 g, 6 h). Constantinople, 654-659. δ N CONSτAτINЧS C CONSτ A, crowned and draped busts of Constans, on left, wearing long beard, and Constantine, on right, facing; above, cross / VICTORIA AVςЧ, Cross potent set upon three steps; Δ//CONOB. DOC 25d; MIB 26; SB 959. Lustrous. Extremely fine.