Watch List notes:

(g) MS62 PL | The Mašek Collection of Czech and European Gold Coins | Czechoslovakia, First Republic (1918-1939), 'Reopening of the Mines of Kremnitz', Commemorative Ducat, 1934, Kremnitz, by Anton Hám, S CIVITATIS REGIS CAROL DE CREMNICA, praying haloed Catherine right in flower shaped frame, circumscription in hexagonal frame, rev. Mining above and below ground, hallmarked .987 and K punch, edge milled, 3.49g, 12h (Fb. 16; Müseler 69/9; Schlum. 64; KM X14.1), some deposits in recesses and subsequently conserved by NGC, otherwise brilliant, extremely fine and very rare, with only reportedly 288 pieces struck, in NGC holder, graded MS62 PL (Cert. #6135286-002)

Provenance
The Mašek Collection of Czech and European Gold Coins