1: "Introduction to Kennedy Half Dollars, minted since 1964."

2: "1964 Kennedy Half Dollar, the first year of issue."

3: "1970-D Kennedy Half Dollar, worth up to $15."

4: "1974-D Kennedy Half Dollar, valued at $10."

5: "1987 Kennedy Half Dollar, worth $10 in mint condition."

6: "1995-S Kennedy Half Dollar, valued at $20."

7: "2002-S Kennedy Half Dollar, worth $25."

8: "2014-W Kennedy Half Dollar, valued at $30."

9: "Conclusion: Collectible Kennedy Half Dollars for numismatic enthusiasts."