Watch List notes:

IRELAND. John. As Lord of Ireland, 1172-1199. AR Halfpenny (14mm, 0.65 g, 7h). Second ('DOMinus') coinage, group 1b. Dublin mint; Tomas, moneyer. Struck circa 1190-1198. Facing diademed head / + TOMAS OИ DVVЄ, voided cross potent, with annulet in each quarter. Grierson, Coins of Medieval Europe 196; Withers VI 4/b; O'S, Earliest 5; SCBI 10 (Belfast), 124-130 (same dies); D&F 39; SCBC 6205. Toned, porous. Near VF.

From the Richard A. Jourdan Collection of Medieval European Coins, purchased from Pegasi, 2002.