This is a beautiful Souvenir Sheet, issued by Guinea-Bissau in 2006, honoring some of the world's greatest chess champions. Included on this sheet are Alekhin, Petrossian, Spassky, and Lasker. The sheet is Michel catalog #3458/Bl.577, and is Post Office fresh, mint never hinged. Click here to visit my eBay Store for other auctions and Direct Sale items:
