World Coins - Ireland - Mary and Philip - 1557 - Groat. 1554-1558 AD Obv: addorsed profile busts with crown dividing date above and partial legend with 'rose' mintmark. Rev: crowned harp dividing crowned P - M with partial legend. S. 6501B-C; D&F 237. 2.35 grams. ("). Wiht old ticket. Fair.