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The 2021-S US Mint Silver Proof 7 Coin Set Box & COA is a magnificent gift idea for coin collectors and enthusiasts. This set includes seven uncirculated coins, four of which is silver. Each coin is struck with a proof finish at the San Francisco Mint. The silver coins have a fineness of 0.999, making them valuable and high-quality pieces. The set comes with a Certificate of Authenticity from the U. Mint, adding to its appeal and ensuring its authenticity. This set includes one Lincoln Penny that are now collectible coins since the US Mint stopped production in 2025.

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