The 1991 United States Mint Proof Set includes 5 uncirculated coins with a denomination of $5, composed of copper, struck in proof finish at the San Francisco Mint. The set comes with a Certificate of Authenticity from the U.S. Mint, ensuring the quality and authenticity of the coins. This collectible set is a valuable addition to any coin collection, showcasing the craftsmanship and history of United States coins from 1991.
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