This is a rare opportunity to own a piece of history. The 1983 S Proof Set is a set of five mixed proof set coins that were minted in San Francisco, United States. These coins have not been circulated and are still sealed in their original boxes. The set includes coins of various denominations and is perfect for any coin collector. The coins have not been certified, but their authenticity can be verified by their features such as the year of minting, strike type, and country of origin. This set is a must-have for any serious collector and is a great addition to any collection. Don’t miss out on the chance to own this rare and valuable set.