1/3 Thaler 1810 IS (Poland, Duchy of Warsaw)
Photo by: Rzeszowski Dom Aukcyjny
Specification
- MetalSilver (0,625)
- Weight8,66 g
- Pure silver (0,174 oz) 5,4125 g
- Diameter29 mm
- EdgePatterned
- Mintage UNC123,277
Description
- CountryPoland
- PeriodDuchy of Warsaw
- Denomination1/3 Thaler
- Year1810
- RulerFrederick Augustus I (King of Saxony)
- MintWarsaw
- PurposeCirculation
Auction prices
Find out the current coin value of the Polish 1/3 Thaler 1810 with mark IS. This silver coin from the times of Duchy of Warsaw struck at the Warsaw Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 3174 sold at the MARCINIAK | DOM AUKCYJNY auction for PLN 15,000. Bidding took place February 2, 2023.
How much is the silver coin of Duchy of Warsaw 1/3 Thaler 1810 IS?
According to the latest data as of December 22, 2025 the average price of a Silver coin 1/3 Thaler 1810 with mark IS is 870 USD.
Where does our service get data on the current price of the 1/3 Thaler 1810 with mark IS?
The information on the current value of the Polish coin 1/3 Thaler 1810 with the letters IS 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 1/3 Thaler 1810 with the letters IS?
To sell the 1/3 Thaler 1810 with the letters IS 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.
