Set of engravings and drawings: including an engraving after Lucien Hector JONAS (1880-1947), "Noël, l'enfant Jésus" depicting a Chasseur asleep in a destroyed church + Portrait of a French soldier in pencil, dated 1917, under glass (22 x 15 cm) + engraving of the General Staff and Second Empire types + engraving of Belgian equipment instructions + drawing depicting an aircraft from the early 20th century + subscription posters for the reconstruction of devastated homes (poor condition).