Watch List notes:

Leo V, the Armenian (813-820). AV tremissis, Syracuse. Obv. LEON BaSILE. Bust facing with short beard, wearing crown and chlamys, holding globus cruciger and akakia. Rev. [ConSTAnT]. Beardless bust of Constantine facing, wearing crown and chlamys and holding cross potent. D.O. 13. Sear 1634. Spahr 305. AV. g. 1.23 mm. 13.00 RR. About EF. Very rare.