IRELAND. John. As Lord of Ireland, 1172-1199. AR Halfpenny (13mm, 0.66 g, 12h). Second ('DOMinus') coinage, group 1b. Dublin mint; Adam, moneyer. Struck circa 1190-1198. Facing diademed head / [...]ΛM[..], voided cross potent, with annulet in each quarter. Withers VI p. 23 D&F 36 and 39; SCBC 6205. Deposits, crystallized surfaces, bent. Near Fine.