Constantine V Copronymus and Leo IV (741-775) AE Follis (Bronze, 3.25g, 21mm) Syracuse.
Obv: Frontal busts of Constantine V bearded on left and Leo III beardless on right. Standing, each wearing crown and chlamys and holding akakia in arm across their chests; cross between their head
Rev: Δ / E / O / C / II, Crowned facing half-length figure of Leo III, wearing chlamys and holding cross potent in his right hand.
Ref: Sear 1569