Unless it's a special 40% silver collectors coin with an "S"mintmark, the answer is none.
HALF a dollar - $0.50
It is worth 50 cents in any circulated condition, but $1.50 in uncirculated condition
A 1969 silver Kennedy half dollar is worth $5 inn perfect condition. The value of the silver is worth $2.87.
I suspect you've made an error in the question.A 1976 Eisenhower dollar is worth approximately $1.00.A 1976 Kennedy half-dollar is worth approximately $0.50.
If you mean a 1998 Kennedy half dollar, the coin has no silver in it and is worth face value.
The 1966 Kennedy half dollar is 40% silver and worth about $5.00.
The Bicentennial Half Dollar is worth from $2-5
It's a common bicentennial half dollar, worth 50 cents.
You first have to determine whether it's silver or just silver-colored. Please see the Related Question for more information.
If the coin is a US Kennedy half dollar dated 1974 it has no silver in it and is face value.
It's worth 50 cents.
Kennedy is on the HALF dollar, not dollar. There were no U.S. silver dollars minted in the 1960s. The '64 Kennedy half is 90% silver and extremely common, currently worth about $10.50 for the silver.