The 1986 American Silver Eagle is significant as it marks the first year of production for this popular series of silver bullion coins The coin features the "Walking Liberty" design by Adolph A. Weinman on the obverse and a heraldic eagle by John Mercanti on the reverse It is struck in 1 troy ounce of 99.9% pure silver The "S" mint mark indicates it was struck at the San Francisco Mint in proof quality, meaning it has a highly polished, mirrored background and frosted foreground The mintage for the 1986-S Proof American Silver Eagle was 1,446,778
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