The first of the .99999 pure Canadian Gold Maple Leaf Coins was a $50 (CAD) coin issued in 2005 by the Royal Canadian Mint and was intended as an experimental issue by the mint to test the high purity level. Since that time, Gold Maple Leaf coins in this .99999 pure content have been issued in 2007, 2008, 2009, 2011, and 2012.