Kingdom of Hungary. Franz Josef I, Beautiful Gold 20 Korona Coin. 6.77gm! Attractive type with Holy Crown of St. Stephen & Angels Denomination: 20 Korona Mint place: Kremnitz (KB) Reference: Friedberg 250, KM-486. Material: Gold (.900) .1960 oz AGW. Diameter: 21mm Weight: 6.77gm Obverse: Crowned Hungarian royal arms, held by winged angels, mintmark (K.B) below. Legend: MAGYAR KIRALYSAG / 20 KORONA Translated: “Hungarian Kingdom / 20 Korona” Reverse: Figure of Franz Josef I standing, wearing crown of St. Stephen, cape, staff and orb with Hungarian double cross. Legend: FERENCZ JÓZSEF I . K . A . CS . ÉS M . H . S . D . O . AP . KIR . 1901 The Korona (osztrák-magyar korona) was the official currency of the Austro-Hungarian Empire from 1892 (when it replaced the Forint as part of the adoption of the gold standard) until the dissolution of the empire in 1918.