This is a beautiful sheet of 5 stamps, issued by Guinea-Bissau in 2010, honoring the World Wide Fund for Nature by displaying stamps on stamps. Featured animals shown include the Leopard Seal, Garnet-Throated Hummingbird, Horn-Eyed Ghost Crab, Aardwolf, Sand Tiger Shark, Kagu Bird, and the Masked Booby Seabird, among others. The sheet is Michel catalog #4810-4, and is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items: