CoinWorldTV 1797, Kingdom of Prussia, Frederick William II. Silver 4 Grsochen Coin. Mint Year: 1797 Mint Place: Berlin (A) Reference: KM-362. R! Denomination: 4 Groschen (1/48th of a silver Mark) Diameter: 27mm Weight: 5.22gm Material: Silver Obverse: Bare bust of Frederick William II right. Legend: FREDERICUS WILHELM . BORUSS . REX Reverse: Crown above oval shield with arms of Pr ...