The biggest gold coin in the world produced by the Royal Canadian Mint has been sold off in an auction in Austria for €3.27 million ($4 million USD). The winner of the auction is ORO direct, a precious metals trading company based in Madrid, Spain. The coin was listed as the biggest gold coin in the world by the Guinness Book of World Records. There are only 5 of these giant-sized coins produced by the Royal Canadian Mint.
The coin which is 99.999% pure gold, weighs 100kg (220.5 pounds), has a diameter of 53cm. The face value of the coin is $1 million Canadian, but it is now worth $4 million USD, based on the price of gold when it was sold!