Watch List notes:

Leo V the Armenian, with Constantine (813-820). AE Follis. Syracuse mint. Struck 817-820. Obv. Crowned facing busts of Leo V, bearded, and Constantine, beardless, each wearing chlamys; cross above. Rev. Large Λ • K; cross above. D.O. 19a; Sear 1635. AE. 5.35 g. 22.70 mm. About EF.