Watch List notes:

ANCIENT COINS, BYZANTINE, Constans II with Constantine IV (AD 654-668), Gold Solidus, Constantinople, facing busts of Constans and Constantine IV, a cross between their heads, rev VICTORIA AVGU Θ, cross potent on three steps, CONOB in exergue, 4.39g, 6h (MIB 26; S 959). Edge marks, good fine.

Estimate: £120-160