Pattern 1 Grosz 1666 AT (Poland, John II Casimir)
Photo by: E. Kopicki
Specification
- MetalSilver
- EdgePlain
Description
- CountryPoland
- PeriodJohn II Casimir
- Denomination1 Grosz
- Year1666
- RulerJohn II Casimir (King of Poland)
- MintBydgoszcz
- PurposePattern
Auction prices
Find out the current coin value of the Polish Pattern 1 Grosz 1666 with mark AT. This silver coin from the times of John II Casimir struck at the Bydgoszcz Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 294 sold at the Warszawskie Centrum Numizmatyczne auction for PLN 5,400. Bidding took place February 27, 2010.
How much is the silver coin of John II Casimir Pattern 1 Grosz 1666 AT?
According to the latest data as of December 5, 2025 the average price of a Silver coin 1 Grosz 1666 with mark AT is 750 USD.
Where does our service get data on the current price of the Pattern 1 Grosz 1666 with mark AT?
The information on the current value of the Polish coin Pattern 1 Grosz 1666 with the letters AT is based on actual auction sales of similar specimens. To reflect the current price level, our service monitors over 590 numismatic companies and records auction results in the coin catalog and auction archive. Please note that the exact value depends directly on the coin's condition, so the average price serves only as an approximate estimate.
Where can I sell the Pattern 1 Grosz 1666 with the letters AT?
To sell the Pattern 1 Grosz 1666 with the letters AT we recommend contacting specialized numismatic companies that hold regular auction sales. Public auctions are the most fair and secure way to sell valuable collectible coins. Go to the list of companies to find a suitable platform.
