THE HURTER-AMMAN COLLECTION OF ANCIENT AND WORLD GOLD AND SILVER COINS NGC AU58 | Austria, Joseph II (1765-1790), Gold Ducat, 1787 A, Vienna, laureate head right, rev. crowned double-headed eagle, edg
THE HURTER-AMMAN COLLECTION OF ANCIENT AND WORLD GOLD AND SILVER COINS NGC AU58 | Austria, Joseph II (1765-1790), Gold Ducat, 1787 A, Vienna, laureate head right, rev. crowned double-headed eagle, edg