This is a rare opportunity to own a complete set of United States Proof Sets from 1961 to 1965. These sets are unopened and composed of 0.9 fineness silver. The strike type is proof and the coins are ungraded. The sets were minted in the United States and come with certification from the U. This is a great addition to any coin collection and a must-have for serious collectors. Don’t miss out on this opportunity to own a piece of history.