The value of any coin is determined, in part, by the date on the coin, the mint mark of the coin and the condition of the coin. These three bits of information are required to establish value.
It's a novelty coin and it was not done at the mint and has no collectible value at all
Depending on the actual grade and color of the coin, value can be as high as $3.00
A Mint State 1971 Kennedy has a retail value of $1.00-$2.00
Uncirculated 40% silver Kennedy half's are very common. Average retail values for most are $4.00-$4.25.
See related answers.
Kennedy is on the US half dollar (50 cent) coin and Lincoln is on the penny (1 cent) coin.
At the most 25 cents
what is the value of a 1883 Indian head Penney
1958 uncirculated Lincoln Wheat Pennies are worth $0.20 each. An original uncirculated roll (50) is worth $6.00
The value of a 1910 Lincoln cent in average circulated coindition is 25 cents to about $2.00.
good- 9 dollars Fine- 16 dollars Extra fine- 46 dollars Uncirculated- 135 dollars
1964 is such a common date that even uncirculated Kennedy halves don't have any value above the silver content. There were hundreds of millions of them minted, and most people hoarded them because of their fondness for Kennedy. At current silver prices, those coins are worth $10 each.