CoinWorldTV 1859, KIngdom of Prussia, Frederick William IV. Silver “Mining” Thaler Coin. Mint Year: 1858 Mint Place: Berlin Reference: KM-472. Mintage: 94,000 pcs. Denomination: Mining Thaler - Struck from the silver ore, mined at the mansfeld silver mines! Material: Silver (.750) Weight: 18.32gm Diameter: 34mm Obverse: Head of Frederick William IV right. Mint initial (A) of the ...