It's called a mintmark not a stamp and the coin is face value, the use of the "P" mintmark did not start until 1980 on the half dollars.
A 1971 Kennedy half dollar is worth anywhere from $45 to $280 dollars. The Kennedy half dollar began circulation in 1964.
.50
It's just a common half dollar no silver spend it
A Mint State 1971 Kennedy has a retail value of $1.00-$2.00
No such coin. Kennedy is only on the half dollars. Starting In 1971, the dollar coins are Eisenhower dollars. The coin is just face value.
If you mean a 1971-D half dollar, it's just 50 cents.
The US mint did not use mint marks on the 1965 half dollar coin.
50 cents, just spend it.
No, the last year for 40% Kennedy halves was 1970. 1971 to date are clad copper nickel.
Kennedy Half dollars are very common, coins from 1971 to date contain no silver and are only face value.
No Kennedy half-dollar from 1971 to date made for general circulation contains any silver.
1971 half dollars are worth 50 cents. They are incredibly common, easily found in change and have no precious metal content.