1: Rare Bicentennial quarter worth nearly $400 million discovered.

2: Learn about 10 more rare bicentennial quarters worth over $20 million each.

3: Discover the history behind these valuable coins.

4: Explore the minting process of bicentennial quarters.

5: Understand the grading and valuation of rare coins.

6: Tips for identifying rare bicentennial quarters.

7: Collecting and investing in rare coins.

8: Experts' opinions on the market for rare coins.

9: Where to buy and sell valuable bicentennial quarters.