This is a beautiful stamp souvenir sheet, issued by Comoros in 2010, honoring famous champion tennis players. Featured athletes shown include Grand Slam & ATP Tour World Championships-winning World No. 1 player Andre Agassi, Olympic gold medalist & US Open champion Rafael Nadal, and winner of the Wimbledon Championship & Australian Open Roger Federer. The sheet is Post Office fresh, mint never hinged, and F/VF.