This set of five US proof coin sets includes the years 1956, 1957, 1958, 1959, and 1961. Each coin comes in a Capital Holder for safekeeping. The coins are in uncirculated condition and have not been certified. These coins were struck at the Philadelphia Mint location. The set is a great addition to any coin collection and is a perfect gift for the coin enthusiast in your life. Great way to jump start your collection or add to it.