1: Rare Bicentennial Quarter Valued at Nearly 20K

2: Why Collectors Are Willing to Pay Big for Rare Quarters

3: How to Spot a Valuable Bicentennial Quarter

4: Other Rare Quarters Worth Big Money

5: Tips for Building a Valuable Coin Collection

6: Investing in Coins: What You Need to Know

7: The History Behind the Bicentennial Quarter

8: Rare Coins That Could Be Hiding in Your Pocket

9: Resources for Coin Collectors and Investors.