1: Rare bicentennial quarter worth nearly 850 million USD discovered.

2: 7 more rare bicentennial quarters worth over 69 million USD each.

3: History of the bicentennial quarter and its significance.

4: Factors that contribute to the value of rare coins.

5: Tips for identifying valuable bicentennial quarters.

6: Where to find rare bicentennial coins and how to authenticate them.

7: Investing in rare coins: Is it worth it?

8: The future of rare coin collecting and investment.

9: Preserving the value of your rare bicentennial quarters.