Constantine V and Leo IV (741-775). Æ 20 Nummi (15mm, 2.38g, 6h). Syracuse, 751-775. Crowned half-length facing busts of Constantine V and Leo IV, each wearing chlamys; NKA. R/ Crowned half-length facing bust of Leo III, wearing loros, holding cross potent; Λ in exergue. DOC 20; Sear 1569A. Green patina, VF