10 Most Valuable Kennedy Half Dollars Ever Sold in the US Auction 

10. 1993-S 50C Silver, DCAM (Proof) 

9. 1992-S 50C Silver, DCAM (Proof) 

8. 1964 50C Accented Hair (Proof) 

7. 1964 50C (Proof) 

6. 1964-D/D 50C (Regular Strike) 

5. 1964-D 50C Quadrupled Die Obverse (Regular Strike) 

4. 1964-D 50C DDO (Regular Strike) 

3. 1964-D 50C (Regular Strike) 

2. 1964 50C (Regular Strike) 

1. 1967 50C SMS (Special Strike)