Watch List notes:

Leo V and Constantine (813-820). Æ 20 Nummi (18mm, 2.90g, 6h). Syracuse, 817-820. Crowned half-length facing busts of Leo V, bearded, and Constantine, beardless, each wearing chlamys; cross above. R/ Large Λ • K; cross above. DOC 19a; Sear 1635. Good VF
Estimate: 20 GBP