This is a beautiful Souvenir Sheet, issued in 2012, featuring butterflies and lepidopterists (scientists who specialize in the study of butterflies and moths). The triangular-shaped stamp features British lepidopterist Frederick DuCane Godman with the butterfly Morpho peleides limpida (commonly known as The Emporer). The sheet is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items: