A 2018 W-Burnished American Silver Eagle- PCGS-SP70- FDOI- John Mercanti- Blue gasket Mint Engraver Series. This coin is made of silver with a fineness of 0.999. The coin has a weight of 1 oz and has a burnished strike type. The West Point mint is responsible for producing this coin. The coin has been certified by PCGS and comes with certification number 35628291.