1964 Kennedy Half Dollar. Proof-69 Deep Cameo (PCGS).This is a virtually pristine example of the premier Proof issue in the popular and widely collected Kennedy half dollar series. Untoned silver white surfaces allow ready appreciation of a boldly cameoed finish. Proof mintage: 3,950,762 coins, the vast majority of which are nowhere near as attractive as this premium quality specimen.PCGS Population: 100; 0 finer in this category.