1: Rare 1976 Bicentennial Quarter valued at nearly $50 million discovered.

2: Other Bicentennial Quarters fetching over $250,000 in the market.

3: History and significance of the Bicentennial Quarter in the US currency.

4: Tips on identifying valuable Bicentennial Quarters from regular ones.

5: Factors that determine the worth of a Bicentennial Quarter in the collector's market.

6: Notable sales of rare Bicentennial Quarters at auctions worldwide.

7: Expert advice on preserving and storing valuable Bicentennial Quarters.

8: Stories of lucky individuals finding valuable Bicentennial Quarters in unexpected places.

9: The future outlook for the value of rare Bicentennial Quarters in the numismatic market.