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$54 million Australia coin is world's most valuable

The world's most valuable gold coin is worth $54 million and was created in Australia.

October 28, 2011 12:00:00 AM PDT
Australia is now home to what is being called the world's largest and most valuable gold coin.

The coin is said to be worth $54 million, plus production and manufacturing costs. It weighs just over a ton and is 99.99 percent pure gold. And of course, depending on the price of gold, its value could go up or down.

The Perth Mint in Perth, Australia, spent about 18 months creating the coin.