IRELAND. John. As Lord of Ireland, 1172-1199. AR Halfpenny (14mm, 0.71 g, 6h). Second ('DOMinus') coinage, group 1b. Dublin mint; Tomas, moneyer. Struck circa 1190-1198. Facing diademed head / + TOMAS ON DVVE, voided cross potent, with annulet in each quarter. Withers VI 4/b; D&F 36 and 39; SCBC 6205. Toned. VF.