Watch List notes:

(g) NGC AU55 | The Mašek Collection of Czech and European Gold Coins | Austro-Hungary, Franz-Josef I (1848-1916), 10-Corona, 1909, Kremnitz, bare head right, rev. Imperial double-headed eagle, incuse security edge, 3.38g, 12h (Fb. 513; KM 2815), stained but lustrous, and subsequently conserved by NGC, otherwise a bolder very fine, in NGC holder, graded AU55 (Cert. #6135187-010)

Provenance
The Mašek Collection of Czech and European Gold Coins