1: Rare bicentennial quarter worth nearly $20K

2: Top 7 valuable coins to look out for

3: How to identify rare bicentennial quarters

4: Factors that determine coin value

5: Tips for coin collectors on finding valuable coins

6: Where to buy and sell rare coins

7: Investing in rare coins for profit

8: The history of the bicentennial quarter

9: Conclusion: The value of rare coins in today's market