Constans II, with Constantine IV, Heraclius, and Tiberius (658-669) AE Follis (Bronze, 4.25g, 22mm) Constantinople
Obv: Bust of Constans facing with long beard and plumed helmet, holding globus cruciger; K to right
Rev: Large M surmounted by facing bust of Constantine IV; flanked by facing busts of Heraclius on left, Tiberius on right; each wears crown and chlamys and holds globus cruciger.
Ref: Sear 1013 or 1014; DOC 88 or 89; MIR 177.