If the coin is a US Kennedy half dollar dated 1974 it has no silver in it and is face value.
All US half dollars dated 1974 were struck in copper-nickel. They have no added value, so feel free to spend it.
It's still worth exactly 50 cents.
Unless it's uncirculated, 50¢
Liberty half dollars were made up till 1947. Your coin is called a Kennedy half dollar and is only worth 50 cents.
Unless it's a Proof or Mint State coin, it's face value. None of the Kennedy Half dollars made for general circulation after 1970 contain any silver.
Face value only! 50 cents
The coin is still in circulation today and has face value only.
Unless it's in brand-new uncirculated condition, face value only.
One dollar.
The coin is still in circulation today and has face value only.
It isn't silver. It is worth 50 cents unless it is a proof coin.