The S mintmark means it was made at the San Francisco Mint. It could be a copper-nickel proof or a 40% silver coin. Both have the same mintmark. Take it to a coin dealer or collector to find out which one it is.
It's been altered after it left the Mint. Face value only.
50 cents.
It's been altered after it was minted. No extra value.
Either not Kennedy or not a dollar. Please look at the denomination on the back.
Check that coin again. Kennedy wasn't put on the half dollar until 1964.
the 1972 Kennedy half dollar is worth 50 cents in circulated condition, or about a dollar in uncirculated condition
A Mint State 1971 Kennedy has a retail value of $1.00-$2.00
Sorry it only has face value.
A 1969 silver Kennedy half dollar is worth $5 inn perfect condition. The value of the silver is worth $2.87.
.50
50 cents.
A 2002-S silver proof Kennedy has an average retail value of $18.00.