The 2021 American Innovation $1 Coin Proof Set from the US Mint is a highly sought-after collection for coin enthusiasts. This set includes coins struck in proof condition at the San Francisco Mint, featuring the latest innovation in American currency. Each $1 coin is uncirculated and comes with certification from the U.S. Mint, making it a valuable addition to any numismatic collection. Grab this hard to find collectable soon, this will go fast.