The Proof Coin from the United States Mint is a $1 coin issued in 2018 as part of the American Innovation series. This coin comes with a Certificate of Authenticity (COA) and is a valuable addition to any coin collection. The coin is beautifully crafted with a proof finish, making it a sought-after piece for collectors looking for high-quality coins with a unique design. The inclusion of the COA adds an extra layer of authenticity and value to this special coin.
eBay