Watch List notes:

The Mašek Collection of Czech and European Gold Coins | Holy Roman Empire, Principality of Transylvania, Maria Theresa (1740-1780), Ducat, 1755, Karlsburg, edge obliquely milled, 3.45g, 12h (Eypeltauer 353; Herinek 207; Fb. 543; Resch. 47; Huszár 958), cleaned and subsequently conserved by NGC, otherwise very fine, scarce, in NGC holder, graded AU Details ~ Cleaned and Bent (Cert. #6135289-011)

Provenance
The Mašek Collection of Czech and European Gold Coins