Austria
Franz I Hungarian Mines Visit gold Ducat 1751 AU55 NGC, Vienna mint, KM-unlisted, Fr-419, Julius-1840, Commemorating the visit of Franz I and Maria Theresa to the Hungarian Mines. Obv. Crowned busts of Franz I ad Maria Theresa vis-a-vis. Rev. Six-line inscription over crossed hammers. Slightly wavy flan, with lustrous, lightly marked surfaces. Quite rare.
Estimate: 2000-2500 USD