Pattern 10000 Zlotych 1988 MW ET "John Paul II - 10 years pontification". Silver (Poland, Peoples Republic)

Where can I sell the Pattern 10000 Zlotych 1988 "John Paul II - 10 years pontification" with the letters MW ET, Silver?

To sell the Pattern 10000 Zlotych 1988 "John Paul II - 10 years pontification" with the letters MW ET, Silver 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.