Watch List notes:

Constantine V with Leo IV (751-775). AV Solidus, Syracuse mint. Obv. Facing busts of Constantine V, with short beard, and Leo IV, beardless, each wearing crown and chlamys; in field above, cross. Rev. Facing bust of Leo III, with short beard, wearing crown and loros, and holding cross potent. D.O. 15. Sear 1565. AV. g. 3.76 mm. 21.50 RR. EF. Very rare and superb. Broad flan.