Coin of four ducats in yellow gold 986 °/°° in the effigy of François Joseph, dated 1915 and mounted in yellow gold 18K (750 °/°°). Diameter : 37 mm Gross weight : 17,06 g
Goldvreneli Ankaufspreis / Wert von Schweizer Vreneli Goldmünzen
10 Francs Swiss Gold Coin 1922 AU/BU
All about the Swiss Vreneli: from value to history
Landry, Fritz Ulisse – Cosmos Of Collectibles
All about the Swiss Vreneli: from value to history