This medallion was minted by the Marshall Mint to commemorate the discovery of the Big Bonanza Strike in March 1, 1872, which helped formed the U.S.A.
1 Troy Ounce .999 Fine Silver
Obverse: Comstock Mining Scene, Wester Scene with the Wells & Fargo Stage Coach
Reverse: Faraday Ship, V&T Railroad, Consolidated Virginia Mine & the Symbols of Power, Wealth & Knowledge
Mintage Limit: 5,000