1: Introduction to half dimes, a rare coin

2: History of the half dime and its production

3: Factors that determine the rarity of a half dime

4: Collecting half dimes as a hobby

5: How to identify a rare half dime

6: Market value of rare half dimes

7: Tips for finding rare half dimes

8: Investing in rare half dimes

9: Conclusion on the value of a rare half dime