6 Groszy (Szostak) 1661 NG "Bust without circle frame" (Poland, John II Casimir)
Photo by: MARCINIAK | DOM AUKCYJNY
Specification
- MetalSilver
- Weight3,48 g
- Diameter23 - 26 mm
- EdgePlain
Description
- CountryPoland
- PeriodJohn II Casimir
- Denomination6 Groszy (Szostak)
- Year1661
- RulerJohn II Casimir (King of Poland)
- MintPoznan
- PurposeCirculation

Auction prices
Find out the current coin value of the Polish 6 Groszy (Szostak) 1661 "Bust without circle frame" with mark NG. This silver coin from the times of John II Casimir struck at the Poznan Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 483 sold at the MARCINIAK | DOM AUKCYJNY auction for PLN 3,500. Bidding took place June 6, 2020.
How much is the silver coin of John II Casimir 6 Groszy (Szostak) 1661 NG "Bust without circle frame"?
According to the latest data as of December 5, 2025 the average price of a Silver coin 6 Groszy (Szostak) 1661 "Bust without circle frame" with mark NG is 75 USD.
Where does our service get data on the current price of the 6 Groszy (Szostak) 1661 "Bust without circle frame" with mark NG?
The information on the current value of the Polish coin 6 Groszy (Szostak) 1661 "Bust without circle frame" with the letters NG 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) 1661 "Bust without circle frame" with the letters NG?
To sell the 6 Groszy (Szostak) 1661 "Bust without circle frame" with the letters NG 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.








































