1: 1. The Great Montreal Million Dollar Coin: Crafted in 2007 by the Royal Canadian Mint, this colossal coin boasts 100 kilograms of pure gold.

2: 2. The Australian Kangaroo: An extraordinary coin created in 2011 weighing one tonne and worth over one million dollars.

3: 3. The British Double Eagle: This rare coin from 1933 fetched an astounding $7.59 million at an auction in 2002.

4: 4. The Vienna Philharmonic: Introduced in 2004, this stunning Austrian coin holds a face value of 100,000 euros and features musical instruments.

5: 5. The American Saint-Gaudens Double Eagle: This breathtaking coin, minted in 1933, was considered illegal to own until one was sold for $7.59 million in 2002.

6: 6. The Canadian Stanley Cup Coin: A coin shaped like the iconic hockey trophy, minted in 2007, weighs roughly 25 kilograms and is valued at one million dollars.

7: 7. The Australian Gold Nugget: In 2011, the Perth Mint produced a 99.99% pure gold coin weighing a massive one tonne, worth over one million dollars.

8: 8. The Norwegian Gold Medal Coin: With a weight of 74 kilograms and a diameter of 50 centimeters, this stunning coin is truly a remarkable collector's piece.

9: 9. The Mexican Aztec Calendar Coin: Created in 2012, this coin showcases the intricate Aztec calendar and weighs a hefty one kilogram, valued over one million dollars.