Watch List notes:

AUSTRIA, Holy Roman Empire. Franz I. Emperor, 1745-1765. AR Medal (22mm, 2.31 g, 12h). Visit of the Imperial Couple to the Mines of Lower Hungary. Wien (Vienna) mint. Unsigned, but by Mathias Donner. Dated 1751 (in Roman numerals). Crowned busts of Franz I and Maria Theresia vis-à-vis / ADVENTUS/AUGUSTI/IN FODINAS/HUNGARIAE/INFERIORIS/MDCCLI in six lines; crossed pick and sledge hammer below. J. Boublik, Coins and medals of the emperor Francis Stephen of Lorraine (Prague, 2011) 86; cf. Julius 1840 (example in gold). EF, toned.