8. $1 Million Gold Canadian Maple Leaf (2007)

Cost: $4.02 Million
The Gold Maple Leaf coin sold for an incredible $4,020,000 by Dorotheum Auction House in Vienna, Austria in June 2010. It is one of the most valuable coins in the world.
The Canadian mint produced the first million-dollar coin in the world in 2007.
The impressive 100-gram coin is made from 99.999% pure Gold.
This coin was created to promote Royal Canadian Mints’ new 99.999% pure one troy ounce Gold Maple leaf bullion coin line.
At the moment, five of these coins are owned by coin collectors around the world.