This is a beautiful souvenir sheet, issued by St. Thomas & Prince Islands in 2008, honoring the International Year of the Dolphin. Featured on the sheet are the Humpback Dolphin, Bottlenose Dolphin, Pantropical Spotted Dolphin, sea stars, and diving. The sheet is Michel catalog #3671/Bl.662, and is Post Office fresh, mint never hinged, and F/VF.