1964 - $10 or so for the silver content (90% silver)
1965-1970 - $4.50 or so for the silver content (40% silver)
1971-present, 50 cents unless in mint packaging.
If you mean a 1998 Kennedy half dollar, the coin has no silver in it and is worth face value.
Eisenhower was on the DOLLAR coin in the 1970s. KENNEDY has been on the half dollar since 1964. A 1985 Kennedy half is still worth 50 cents.
the 1972 Kennedy half dollar is worth 50 cents in circulated condition, or about a dollar in uncirculated condition
With the date of 1979 the coin is a Kennedy half dollar, it's worth 50 cents.
A 1971 Kennedy half dollar is worth anywhere from $45 to $280 dollars. The Kennedy half dollar began circulation in 1964.
It's worth 50 cents.
The coin is only face value.
50 cents.
If the coin is a US Kennedy half dollar dated 1974 it has no silver in it and is face value.
Eisenhower was on the dollar, and Kennedy is on the half dollar. Either way, any circulated bicentennial coin is worth face value.
The coin is still in circulation and is face value.
Check that coin again. Kennedy is on the half dollar, which is worth 50 cents.