Watch List notes:

BYZANTINE. Lead 'hystera' amulet. Circa 7th-8th centuries AD. 'Hystera': four pairs of confronted serpents in quarters at center of hatched cross; uncertain magical inscription around / Saint riding right on horseback, holding cross and spearing figure on ground; angel to right. J. Spier, "Medieval Byzantine Amulets and their Tradition," Journal of the Warburg and Courtauld Institutes 56 (1993), no. 21. Near VF, original suspension loop missing.