On 25th June 2010 the largest GOLD coin in the world, a 2007 Canadian $1,000,000 Maple Leaf coin, has been sold at the largest auction house in continental Europe, the Dorotheum, for 4.05 million U.S. dollars. The largest gold coin weighs 100 kg (220 lb 7 oz), measures 50 cm (19.6 in) in diameter, 3 cm (1.1 in) in thickness and is made from bullion with a purity of 99.999 per cent.
