IRELAND. John. As Lord of Ireland, 1172-1199. AR Halfpenny (14mm, 0.74 g, 6h). Second ('DOMinus') coinage, group 1b. Waterford mint; Marcus, moneyer. Struck circa 1195-1198. Facing diademed head / + MARC ON WATER, voided cross potent, with annulet in each quarter. Withers VI 1/c; D&F 39; SCBC 6208. Find patina. VF. Rare.