The 1964 Silver Half Dollar is a popular coin among collectors. It was minted in 90% silver and 10% copper, and is composed of .36169 troy ounces of silver. The coin has a diameter of 30.6mm and a weight of 12.5 grams. The obverse of the coin features a portrait of President John F. Kennedy, while the reverse features the Presidential Seal.The value of a 1964 Silver Half Dollar is determined by its condition, or grade. Coins in excellent condition can be worth up to $20, while coins in poor condition can be worth as little as $2. The value of a 1964 Silver Half Dollar can also be determined by its mint mark. Coins with a “D” mint mark were minted in Denver, while coins with an “S” mint mark were minted in San Francisco. Coins with a “D” mint mark are generally worth more than coins with an “S” mint mark.The best way to determine the value of a 1964 Silver Half Dollar is to have it professionally graded by a reputable coin grading service. Professional coin graders can accurately assess the condition of a coin and assign it a grade. This grade is then used to determine the coin’s value.If you are looking to buy or sell a 1964 Silver Half Dollar, it is important to do your research and understand the coin’s value. Knowing the coin’s grade and mint mark can help you determine its worth and ensure that you get a fair price.