Byzantine Empire
Constans II with Constantine IV (641-668), Solidus 654-659, Constantinople mint
Obverse: busts of Constans II and Constantine IV in crowns straight ahead
d N CONStANtINЧS C CONStAN
Reverse: Cross potent set on three steps, CONOB in exerque
VICTORIA AVςЧ A
Gold, diameter 20 mm, weight 4.36 g