Pattern 10 Zlotych 1971 MW "200th Anniversary of the Death of Tadeusz Kosciuszko". Copper-Nickel (Poland, Peoples Republic)

Where can I sell the Pattern 10 Zlotych 1971 "200th Anniversary of the Death of Tadeusz Kosciuszko" with the letters MW, Copper-Nickel?

To sell the Pattern 10 Zlotych 1971 "200th Anniversary of the Death of Tadeusz Kosciuszko" 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.