Constans II, with Constantine IV.
641-668. AV Solidus (20mm, 4.37 g, 6h). Constantinople mint, 3rd officina. Struck 654-659. CONSτANτINЧS CONSτANI, crowned and draped facing busts of Constans, wearing long beard, and Constantine; cross between / VICTORIA AVςЧ, cross potent set upon three steps; Г//CONOB. Cf. DOC type 25; MIB 26; SB 959. Near EF, lustrous.