Watch List notes:

(g) The Mašek Collection of Czech and European Gold Coins | Austro-Hungary, Franz-Josef I (1848-1916), 20-Corona, 1897, Vienna, laureate head right, rev. Imperial double-headed eagle, 6.78g, 12h, edge milled (Fb. 504; KM 2806; Frühwald 1929), lightly wiped with a surface mark before nose and subsequently conserved by NGC, otherwise lustrous, otherwise a bold very fine / extremely fine, in NGC holder, graded AU Details ~ Obverse Cleaned (Cert. #6135286-019)

Provenance
The Mašek Collection of Czech and European Gold Coins