Sterling Silver and 24K Gold Proof Coin comes with original cert and box Issued By: Central Bank Of Ireland Year: 2012 Double set is limited to only 6,000 sets worldwide Sterling Silver Coin Weight: 28.28g Metal: Sterling Silver 92.5% Quality: Proof Fine Gold Coin Weight: 0.5g Metal: 99.9% Fine Gold Quality: Proof. The item "2012 Ireland Michael Collins Double Gold and Silver Two Coin Proof set (Rare)" is in sale since Wednesday, September 2, 2020. This item is in the category "Coins\Coins\Ireland\Post-1920". The seller is "joeysun2010" and is located in Smithfield,, Dublin. This item can be shipped worldwide.