This is a beautiful sheet of 6 stamps, issued by Guinea-Bissau in 2010, displaying owls. Featured birds shown include the Pacific Screech-Owl, Striped Owl, Spectacled Owl, Barn Owl, Ashy-Faced Owl, and the Balsas Screech Owl. The sheet is Michel catalog # 5049-54, and is Post Office fresh, mint never hinged, and F/VF.