This is a beautiful sheet of 6 stamps, issued by Mozambique in 2009, commemorating the 250th anniversary of the birth of famous English entomologist William Kirby. Featured on the stamps are the Mangrove Jewel (Hypochrysops Epicurus) Butterfly, Burying Beetle (Nicrophorus Vespillo), Great Diving Beetle, Tawny Mime Papilio Swallowtail Butterfly, European Paper Wasp, European Beewolf, and the Malayan Jezebel Butterfly. The sheet is Scott catalog #1891, and is Post Office fresh, mint never hinged, and F/VF.