9999 Fine Proof Coin 2025 Alderney – Discovery Of RMS Titanic 40th Ann is a rare and valuable coin celebrating the discovery of the RMS Titanic. This coin, minted in Alderney, contains 0.5 grams of gold with a fineness of 0.9999. It is in Uncirculated condition and graded as PR 69 by NGC. The coin features a business strike type and is a limited edition piece that will surely appeal to collectors and investors alike. Celebrate this historic event with this beautiful piece of gold bullion.