20 Zlotych 1978 MW "First Polish Cosmonaut - Hermaszewski". Copper-Nickel (Poland, Peoples Republic)
Variety: Copper-Nickel
Photo by: Gabinet Numizmatyczny D. Marciniak
Specification
- MetalCopper-Nickel
- Weight10,15 g
- Diameter29 mm
- EdgeReeded
- Mintage UNC2,009,000
Description
- CountryPoland
- PeriodPeoples Republic
- Denomination20 Zlotych
- Year1978
- MintWarsaw
- PurposeCommemorative and collectible
Auction prices
Find out the current coin value of the Polish 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with mark MW. Copper-Nickel. This copper-nickel coin from the times of Peoples Republic struck at the Warsaw Mint. Wondering how much a coin like this is worth? The record price belongs to the lot 880 sold at the WDA - MiM auction for PLN 525. Bidding took place May 8, 2021.
How much is the copper-nickel coin of Peoples Republic 20 Zlotych 1978 MW "First Polish Cosmonaut - Hermaszewski", Copper-Nickel?
According to the latest data as of December 6, 2025 the average price of a coin 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with mark MW, Copper-Nickel is 35 USD. The coin is made of non-precious metal, so in poor condition it may have extremely low value and liquidity.
Where does our service get data on the current price of the 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with mark MW, Copper-Nickel?
The information on the current value of the Polish coin 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with the letters MW, Copper-Nickel 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 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with the letters MW, Copper-Nickel?
To sell the 20 Zlotych 1978 "First Polish Cosmonaut - Hermaszewski" with the letters MW, Copper-Nickel 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.
