This is a beautiful sheet of 4 stamps, issued by Comoros in 2009, illustrating the artwork of French Impressionist painter Albert-Charles Lebourg. Featured paintings shown include "La Seine à Boulogne Billiancourt", "Le Printemps à Vétheuil, Le Vallon Fleuri", "The Banks of the Seine at Bercy", and "La Rochelle the Port", among others. The sheet is Post Office fresh, mint never hinged, and F/VF.