1 Mark 1866 S (Finland, Grand Duchy)
Photo by: AURORA
Specification
- MetalSilver (0,868)
- Weight5,18 g
- Pure silver (0,1446 oz) 4,4962 g
- Diameter24 mm
- EdgeReeded
- Aspect ratioMedallic (↑↑)
- Mintage UNC1,986,000
Description
- CountryFinland
- PeriodGrand Duchy
- Denomination1 Mark
- Year1866
- RulerAlexander II (Emperor of Russia)
- MintHelsinki
- PurposeCirculation
Auction prices
Find out the current coin value of the Finnish 1 Mark 1866 with mark S. This silver coin from the times of Grand Duchy struck at the Helsinki Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 651 sold at the AB Philea & Myntkompaniet auction for EUR 3,780. Bidding took place March 12, 2022.
How much is the silver coin of Grand Duchy 1 Mark 1866 S?
According to the latest data as of December 5, 2025 the average price of a Silver coin 1 Mark 1866 with mark S is 470 USD for regular strike and 1700 USD for coins minted using the PROOF technology.
Where does our service get data on the current price of the 1 Mark 1866 with mark S?
The information on the current value of the Finnish coin 1 Mark 1866 with the letters S 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 Mark 1866 with the letters S?
To sell the 1 Mark 1866 with the letters S 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.
