1782, Salzburg, Count Hieronymus Collerdo. Gold "Temple Ducat" Coin. Mint Year: 1782 Mintage: Very low! Mint place: Salzburg (Austria) Mint Mark: M. (Franz Xavier Matzenkopf Jr.) References: Friedberg 781, KM-452 . Very Rare! Denomination: Pattern Ducat - 1200th Anniversary of the St. Peter´s Abbey! Material: Gold (.986) Diameter: 20.9mm Weight: 3.49gm Obverse: Bust of t ...