IRELAND. Duo of Gun Money Denominations (2 Pieces), 1689-90. Dublin Mint. James II. Both PCGS Gold Shield Certified. 1) Gun Money Crown, 1690. PCGS EF-45. S-6578.<p>2) Gun Money 1/2 Crown, September 1689. PCGS EF Details--Environmental Damage. S-6579D.<p>