Constantine V Copronymus with Leo IV (741-775). AV Tremissis, Syracuse mint. Obv. [ ] NSTA. Facing crowned and draped bust of Constantine, holding cross potent and akakia. Rev. [ ]N PAM. Facing crowned and draped bust of Leo III, holding globus cruciger and akakia. D.O. 17; Sear 1567. 1.16 g. 12.50 mm. R. Rare. Compact but unclipped flan. Nice portraits. Good VF/About EF.