1: Rare centime sold for nearly 900 million USD.

2: Another centime valued at over 100 million USD.

3: Historical significance of rare coins.

4: Investing in rare coins for potential profit.

5: How to determine the value of rare coins.

6: Top rare coins in history.

7: Where to buy and sell rare coins.

8: Tips for collecting rare coins.

9: The future of rare coin collecting.

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