US Mint Limited Edition 2021 Silver Proof Set American Eagle Collection (21RCN). The item "US Mint Limited Edition 2021 Silver Proof Set American Eagle Collection (21RCN)" is in sale since Friday, October 15, 2021. This item is in the category "Coins & Paper Money\Coins\ US\Proof Sets". The seller is "chefdelleon" and is located in Albuquerque, New Mexico. This item can be shipped worldwide.