Watch List notes:

Constans II and Constantine IV (641-668); AV Solidus (g 4,49; mm 19; h 6); Constantinople, 654-659. Crowned and draped facing busts of Constans and Constantine; cross above; Rv. Cross potent set upon three steps; B//CONOBΘ. MIB 34; DOC -; Sear 969. Scratch on rev., otherwise good very fine