1: Discover the Top 10 Most Valuable Kennedy Half Dollars in circulation.

2: 1964 Proof Kennedy Half Dollar fetches highest value among collectors.

3: Special 1970-D Kennedy Half Dollar sold for over $35,000 at auction.

4: Rare 1966 SMS Kennedy Half Dollar can be worth thousands of dollars.

5: 1998-S Matte Proof Kennedy Half Dollar is a key date for collectors.

6: Intriguing 1971-D Kennedy Half Dollar can be worth up to $15,000.

7: Highly sought after 1970-S Kennedy Half Dollar commands premium prices.

8: Keep an eye out for 1965 Special Mint Sets for valuable Kennedy Half Dollars.

9: Rare Key Date 1974-D Kennedy Half Dollar can sell for thousands of dollars.