Please turn the coin over and look at the denomination on the back. You'll find that it's a HALF dollar. The U.S. did not strike silver dollars with JFK's picture.
There's more information at the Related Question.
Please take a few seconds to turn the coin over and read the denomination on the back. It's a HALF dollar.
There's more information at the question "What is the value of a 1964 Kennedy half dollar?"
$1. There are only two $1 bills that have a popular association with JFK:
> Regular bills that have been altered by pasting his picture over Washington's
> Bills distributed through the Dallas Federal Reserve district that, due to a strange but 100% unintentional coincidence, carry the district number '11" and the district letter "K".
Kennedy is on the half dollar, not the dollar. Those minted in 1964 are worth about $13, coins from 1965-70 are worth about $5, and anything 1971-present are worth 50 cents.
A 1969 silver Kennedy half dollar is worth $5 inn perfect condition. The value of the silver is worth $2.87.
A 2002-S silver proof Kennedy has an average retail value of $18.00.
If you check the back you'll find that you have a halfdollar. There has never been a US-issued Kennedy silver dollar.
The 1969 Kennedy half dollar is only 40% silver with a value about $3.25
About $6 for its silver content
The coin is 40% silver and has a value of about $2.00 only for the silver.
If the coin is a 1996-S Silver Proof Kennedy Half dollar, average retail value is $12.00 to $15.00
The coin has no silver and is just face value, spend it.
If the coin is a US Kennedy half dollar dated 1974 it has no silver in it and is face value.
Please, turn the coin over and look at the denomination on the back. It's a HALF dollar, not a dollar. The 1964 Kennedy half is a 90% silver coin, but very common. The value would be only for the silver, about $15.00 as of 9-1-11.
About $15.00, retail.
It has no silver and is just 50 cents, spend it.