1: Rare Bicentennial Quarter worth nearly 60 million USD discovered by collector.

2: 1976 D Bicentennial Quarters valued at over 30 million USD each.

3: Rare coin collection fetches millions in auction.

4: Importance of historical coins in numismatics.

5: How to identify rare quarters in your collection.

6: Bicentennial Quarter errors that increase their value.

7: The thriving market for rare coins and currencies.

8: Expert tips for buying and selling rare quarters.

9: Invest in rare coins for potential high returns.