1: Rare Bicentennial quarter fetches 450M USD at auction.

2: Discover 7 more coins worth over 69M USD each.

4: Learn about the most valuable quarters in history.

5: Uncover the secrets of rare coin collecting.

6: Explore the world of high-stakes numismatics.

7: Invest in history with these valuable quarters.

8: How to spot rare coins in everyday currency.

9: The allure of vintage coinage and its lofty values.

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