O’Brien Coin Guide: Armstrong & Legge’s ‘Patent’ Irish Halfpennies’ for Charles II
Introduction On 23rd October 1680, letters patent were granted to Sir Thomas Armstrong and Colonel George Legge) to manufacture copper halfpennies for use in Ireland for a period of 21 years. They were to be dated 1680, 1681, 1682, 1683, 1684 and 1685 but, since Charles II died in 1684, no coins dated 1685 have…