This is a beautiful sheet of 4 stamps, issued by Guinea-Bissau in 2010, displaying the world's largest and smallest dogs. Featured animals shown include the German Spitz (Pomeranian), Akita Inu, Tibetan Mastiff, Chihuahua, Spaniel, Irish Greyhound, Kuvasz, and the Japanese Chin (Japanese Spaniel). The sheet is Post Office fresh, mint never hinged, and F/VF.