Constans II AV Solidus. Constans II AV Solidus. (19mm, 4.3 g) Constantinople, AD 654-9. dN CONSƮANƮINVS C CONSƮNI, facing busts of Constans, on left with long beard, and Constantine IV, beardless, each wearing crown and chlamys; between their heads, a cross / VICTORIA AVGV and officina letter S, cross potent on three steps, CONOBI in ex.