Watch List notes:

The Mašek Collection of Czech and European Gold Coins | Czechoslovakia, First Republic (1918-1939), Ducat, 1933, Kremnitz, St. Wenceslas standing facing, rev. rampant Czech Lion in Slovak shield, edge milled, 3.50g, 12h (Fb. 2; M&CH CSR1D-005; Valovic CSD2; Novotný 16; Schlum. 24; KM 8), conserved by NGC, otherwise lustrous, extremely fine, a popular and sought after type, 57,597 struck, in NGC holder, graded UNC Details ~ Cleaned (Cert. #6135286-012)

Provenance
The Mašek Collection of Czech and European Gold Coins