If the coin is in circulated condition, meaning it has been used in everyday transactions and shows signs of wear, it is worth its face value of $0.50. However, circulated coins that are in excellent condition can be worth a small premium, around $1 to $2.
Uncirculated coins, meaning they have never been released into circulation and are in mint state, are worth more than circulated coins. The value of an uncirculated 1971 half dollar can range from a few dollars to several hundred dollars, depending on its grade.
The most valuable 1971 half dollars are those that are rare or have special characteristics. For example, the 1971-S Proof Kennedy half dollar is a particularly valuable coin, with values reaching up to several hundred dollars.
If you have a 1971 half dollar coin and are interested in finding out its value, it is recommended to consult with a professional coin dealer or numismatist who can assess the coin's condition and rarity and provide you with an accurate valuation.