Constans II. AD 641-668. AV Solidus 4.28 g. Constantinople mint. Struck 641 AD or later. 

dN CONITANTINuS PP AVG, small, crowned beardless facing bust, holding cross on globe.
VICTORIA AVGu A, cross potent on three steps.

Mintmark CONOB.

MIB III 3a; SB 936.

With permission of Ira & Larry Goldberg Coins & Collectibles - Auction 55, Lot 463, Oct. 2009.