1: Rare dimes and Bicentennial quarters valued at nearly $20 million each.

2: Discover 5 more rare coins worth over $1 million each.

3: Rare dime collection fetches millions at auction.

4: Bicentennial quarter set breaks records with high appraisal.

5: Learn about the most valuable US coins in history.

6: Tips for identifying rare dimes and Bicentennial quarters.

7: How to start your own rare coin collection.

8: The rise in popularity of rare coin investing.

9: Explore the fascinating world of rare coin values and investments.