It depends on the type. There were two types: silver-clad and a copper-nickel-clad.
Silver-clad contains 0.14792 ounces of pure silver. All have an S mint mark.
Copper-nickel-clad does not contain any silver. They can have a D, S, or no mint mark.
August 12, 2009 The Kennedy Bicentennial Half Dollar in MS64 is valued at $15 with either mint mark.
The 1964 Kennedy half has .36169oz of pure silver in it.
There are .1479 troy ounces of silver in a 1967 US Kennedy half dollar.
1964 proof Kennedy halves are 90% silver, 68, 69, 70 proofs are 40%. The 3-piece Bicentennial silver proof & silver mint sets are 40% and 1992 to date silver sets are 90%.
No Kennedy half-dollar from 1971 to date made for general circulation contains any silver.
The bicentennial Kennedy half dollar is made of a copper-nickel alloy, special collectors coins were struck in 40% silver but they all have "S" mintmarks.
August 12, 2009 The Kennedy Bicentennial Half Dollar in MS64 is valued at $15 with either mint mark.
50 cents.
Average value is $1.00.
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.
Except for the Bicentennial reverse, the reverse of the Kennedy half dollar motif is the presidential coat of arms.
50 cents.
The 1964 Kennedy half has .36169oz of pure silver in it.
The 1964 Kennedy half dollar contain 11.25 grams of silver. Kennedy half dollars from 1965 through 1970 contain 4.60 grams of silver.
It's the most common date of all Kennedy halves (except for the bicentennial version), but the '64 is 90% silver. At present, it's worth just under $10.
A 1969 silver Kennedy half dollar is worth $5 inn perfect condition. The value of the silver is worth $2.87.
The 1969 Kennedy half dollar is only 40% silver with a value about $3.25