6 Groszy (Szostak) 1666 AT "Bust in a circle frame" (Poland, John II Casimir)
Photo by: MARCINIAK | DOM AUKCYJNY
Specification
- MetalSilver
- Weight3,48 g
- Diameter24 - 26 mm
- EdgePlain
Description
- CountryPoland
- PeriodJohn II Casimir
- Denomination6 Groszy (Szostak)
- Year1666
- RulerJohn II Casimir (King of Poland)
- MintKrakow, Bydgoszcz
- PurposeCirculation
Auction prices
Find out the current coin value of the Polish 6 Groszy (Szostak) 1666 "Bust in a circle frame" with mark AT. This silver coin from the times of John II Casimir struck at the Krakow, Bydgoszcz Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 64 sold at the NUMIS Klitończyk auction for PLN 2,900. Bidding took place June 2, 2024.
How much is the silver coin of John II Casimir 6 Groszy (Szostak) 1666 AT "Bust in a circle frame"?
According to the latest data as of December 5, 2025 the average price of a Silver coin 6 Groszy (Szostak) 1666 "Bust in a circle frame" with mark AT is 35 USD.
Where does our service get data on the current price of the 6 Groszy (Szostak) 1666 "Bust in a circle frame" with mark AT?
The information on the current value of the Polish coin 6 Groszy (Szostak) 1666 "Bust in a circle frame" 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 6 Groszy (Szostak) 1666 "Bust in a circle frame" with the letters AT?
To sell the 6 Groszy (Szostak) 1666 "Bust in a circle frame" 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.
