Watch List notes:

Constans II. 641-668. AV solidus (17 mm, 4.34 g, 6 h). Constantinople, 662-667. D N CONSτ ANЧS [...], crowned and draped busts of Constans, on left, and Constantine, on right, facing; above, cross / VICTORIA AVςЧ, cross potent set on three steps between Heraclius, on left, and Tiberius, on right, standing facing, each holding globus cruciger; Z//CONOB. DOC 30f; MIB 31; SB 964. Graffiti ('(KA)ΘY-Xω or (KA)OY-Xω') in central reverse field either side of cross. Lustrous. Good very fine.