The world’s largest gold coin, a 2007 Canadian $1,000 Maple Leaf is to be auctioned at Vienna’s Dorotheum.

Established in 1707, Dorotheum is the largest auction house in Central Europe.

This Canadian coin is a record breaker: it weighs a staggering 100 kilos and measures 53cm in diameter. It is also made exclusively from the purest, finest and most refined gold: 999.99/1000 gold.

The coin, which is also listed in the current edition of the Guinness Book of Records, bears the image of Elisabeth II, the largest official portrait of the Queen in solid gold.

The back shows three maple leaves, the national symbol of Canada, where the coin was minted. The face value of $ 1 million is far below the current gold price. The starting price will be based on the daily gold rate.

This gigantic Maple Leaf was on loan to the ‘M?nzkabinett’ of the Kunsthistorisches Museum in Vienna, which houses one of the largest numismatic collections in the world.