The 1964 United States Proof Set includes the Lincoln penny, Jefferson nickel, Roosevelt dime, Washington quarter, and the Kennedy half dollar. The nickel, dime, quarter, and half dollar are 90% silver. The coins are packaged in a cellophane wrapper and a paper envelope. This was the first year of the Kennedy half dollar. (3,950,762 minted) Older year Proof Sets may have been previously owned. If you need one of these proof sets in new condition, please call for price and availability.