This is a beautiful sheet of 8 stamps, issued by Guinea in 2009, illustrating the artwork of French Impressionism painter Charles-Francois Daubigny. Featured famous paintings shown include "The River Seine at Mantes", "The Flood Gate at Optevoz", "The Farm", "The Sand-Pit (Les Sablieres pres de Valmondois)", "La Meule (The Haystack)", "Le Hameau D'Optevoz", "Vue de la Bonneville", "Lever de Lune (Moonrise)", and "The Petit Bras of the Seine at Argenteuil". The sheet is Michel catalog #6919-26, and is Post Office fresh, mint never hinged, and F/VF.