Thorn 1666-HD L 18 groszy
This specimen was lot 31319 in Heritage sale 3049 (Long Beach, September 2016), where it sold for $1,645. The catalog description noted, "Thorn. Jan Casimir 18 Groszy (Ort) 1666 HD-L VF20 NGC, Thorn mint, Hans David Lauer as mintmaster, A very rare date, this example is typically crude and well-circulated, although the surfaces do not exhibit heavy marks and appear original." This denomination, struck at Thorn in various styles 1650-68, seems to be unique to Poland. The SCWC notes that it traded for a quarter thaler but may only have been a fifth.
Recorded mintage: unknown.
Catalog reference: KM-35, Kop-8333, Dutkowski/Suchanek-1707 (R6).
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1601-1700, 6th ed., Iola, WI: Krause Publications, 2014.
- Cristiano Bierrenbach, Warren Tucker and David Michaels, Heritage World Coin Auction 3049, featuring the Ohio Valley Collection, the Redwood Collection and the F.P. Briand Collection, Dallas, TX: Heritage Auction Galleries, 2016.