Constans II AV Solidus

Constans II (641-668 AD), with Constantine IV. AV Solidus (20-21 mm, 4.46 g), Constantinopolis, 654-659.
Obv. d N CONSTANTINЧS C CONSTAN, crowned and draped facing bust of Constans with long beard and Constantine; cross above.
Rev: VICTORIA AVςЧB / CONOB, cross potent set on three steps.
DO 25; Sear 959.

Possibly a later imitation. Very fine.