$1 Face Value 90% Kennedy Half Dollar (Avg Circulation)A modern classic in U. S. silver coinage, $1 Face Value of 90% Kennedy Half Dollars offers strong silver content backed by one of the most recognizable designs in American history. Each lot includes 2 half dollars struck by the United States Mint in 1964, the only year these coins were produced in 90% silver. Each $1 face value contains approximately 0. 715 ounces of pure silver (accounting for average circulation wear), making these coins a practical