1911, Germany / Prussia, Wilhelm II. Large Gold 20 Mark Coin. Mint Year: 1911 Reference: KM-521. Mint Place: Berlin (A) Denomination: 20 Mark Material: Gold (.900) Diameter: 22mm Weight: 7,97gm Obverse: Bare head of Wilhelm II right. Mint initial (A) below. Legend: WILHELM II DEUTSCHER KAIER KÖNIG VON PREUSSEN / A Reverse: Crown of the German Empire above heraldic eagle of German ...