1: Rare bicentennial quarter valued at nearly $20,000

2: Discover the history behind the valuable bicentennial quarter

3: Investing in rare coins: tips for beginners

4: Other valuable coins to look out for in your collection

5: How to determine the value of a coin

6: Where to buy and sell rare coins for maximum profit

7: Experts reveal secrets to spotting valuable coins

8: The top 10 most valuable coins in history

9: Start your own coin collection today and potentially strike it rich