This is a beautiful sheet of 6 stamps, issued by Guinea-Bissau in 2010, displaying butterflies. Featured insects shown include the Rusty-Tipped Page, Cisseis Morpho, Pyracmon Eighty-Eight, Julia Butterfly, Rhetenor Blue Morpho, and Cramer's Eighty-Eight. The sheet is Michel catalog # 5097-102, and is Post Office fresh, mint never hinged, and F/VF.