This is a beautiful souvenir sheet, issued by Guinea-Bissau in 2003, honoring Nobel Prize winners. Featured famous people include Nobel Prize-winning German theoretical physicist Albert Einstein and Swiss founder of the International Committee of the Red Cross Henry Dunant, among others. The sheet is Michel catalog #2180/Bl.397, and is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items: