1: 1. Iconic Design 2. Limited Mintage 3. Historical Significance

2: 4. Collectibility 5. Silver Content 6. Investment Potential

3: 7. Mint Errors 8. Popular among Numismatists 9. Variety of Designs

4: 10. Increasing Value 11. Numismatic Rarity 12. Grading Certification

5: 13. Market Demand 14. High-Quality Condition 15. Numismatic Trends

6: 16. Numismatic Literature 17. Coin Shows 18. Aesthetically Pleasing

7: 19. Provenance 20. Rarity Factor 21. Numismatic Associations

8: 22. Numismatic Community 23. Numismatic Auctions 24. Numismatic Publications

9: 25. Numismatic Forums 26. Coin Dealers 27. Numismatic Blogs