Ebay auctions by Andy Mirski- sells Polish Coins and Coin Books Chicago
Ebay Auctions by Ignacy- Polish coins and stamps. Toronto.
Ebay auctions by Stefan- sells Polish Medals, coins, stamps books and
Ebay auctions by
Good medieval coin selection, including Poland. Belgium
Ruscoins Auction (some Polish)
Allen G. Berman (Polish and world old coins)
Frank S. Robinson Auctions
Collector from Poland
Cherystone Auctions- First class stamps, but expensive. USA.
Collection of dealers stamps of all countries.
Russian coins-early history reference only-nothing for sale.