Poland 1765-G grosz
This specimen was lot 3116 in Sincona Auction 101 (Zürich, October 2025), where it sold for 3,500 CHF (about US$5,275 including buyers' fees). The catalog description[1] noted,
"POLEN Stanislas August Poniatowski, 1764-1795. 1 Grosz 1765, Warschau. Münzmeister Peter Nikolaus Gartenberg. Selten in dieser Erhaltung. (kingdom of Poland, Stanislas August Poniatowski, 1764-1795, groschen of 1765, Warsaw mint. Rare in this condition. NGC MS64 RB.)"
This type was struck 1765-95 and has a low catalog value in circulated condition. Several mintmaster's initials are known for 1765. We don't know why this example realized 24 times the catalog value.
Recorded mintage: 2,089,999, all varieties.
Specification: 3.89 g, copper, this specimen 3.75 g.
Catalog reference: KM 177, Gumowski 2342.
- Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
- [1]Richter, Jurg, SINCONA Auction 101: World Coins, Medals and Banknotes, Swiss Confederate Coins, Medals and Banknotes, Shooting Coins and Medals, Zurich: SINCONA AG, 2025.
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