The Kennedy half dollar and Eisenhower dollar are two of the most popularly collected coins. Limited numbers of both denominations were produced with 40% silver content. From 1965 to 1970 the Kennedy half was struck for circulation with the reduced silver composition. However, the Ike dollars that contained 40% silver were only available to collectors from 1971 to 1974 and again in 1976. Brilliant Uncirculated quality. Our choice of dates and mintmarks.