Constantine V with Leo IV (741-775). Æ 20 Nummi (15,7mm, 1.7g). Syracuse, AD 751-775. Crowned half-length facing busts of Constantine V and Leo IV, each wearing chlamys; NK[A]. R/ Crowned half-length facing bust of Leo III, wearing loros, holding cross potent; Λ in exergue. Sear 1569A.