The product is a 2019 W Eagle Burnished Silver Eagle S$1 MS70 Lmtd Dual Signature Mercanti Gaudio coin minted by the U.S. Mint. This coin is made of 0.999 fine silver with a total precious metal content of 1 oz. It features a dual signature from Mercanti and Gaudio and has been certified by NGC. It is a limited edition American Eagle coin with a unique certification number of 4967359-445.