Barber Half Dollars 1892 – 1915 Better Dates: 1893 - S, 1896 - S, 1897 - O, 1897 - S, 1913, 1914, 1915. Other dates are worth at least their silver value.
Franklin Half Dollars 1948 – 1963 Unless in uncirculated condition worth at least their silver value.
Kennedy Half Dollars 1964-1970 Silver 1964 – 90% Silver 1965 - 1970 40% Silver 1971 - Date can be spent unless in us mint packaging