This is a beautiful sheet consisting of 3 stamps, issued in 2007, displaying a variety of arctic animals and explorers. The sheet also honors the International Polar Year. Featured on the sheet include the Antarctic explorer Ernest Shackleton, dall sheep, French Polar explorer Paul-Emile Victor, the walrus, Mount Everest explorer Sir Edmund Percival Hillary, and the wolverine. The sheet is Post Office fresh, mint never hinged.