Superb set of 21 Ballons Montés with illustrations and descriptions for each piece. Among the most important are the "Victor Hugo", entrusted fold, postmarked Tours, October 21, 1870, and the Georges Sand, also entrusted fold (only on this balloon). The next balloon is franked with 1n°30 "30c Empire Lauré", bearing a cachet for Lourde "Le Jules Favres" n°1 (Behr certificate). "Le Garibaldi" follows, also canceled with a red postmark on 1n° 29, as does "Le Duquesne" with a stamp on the reverse of "cabinet du Ministre" priority mail (Roumet certificate). A superb Journal "Ballon Poste acheminé par "la Gironde", very interesting text (Behr certificate). Lastly, we enclose 6 balloon mail items and a reply dispatch (bearing a n°20 "5c Vert empire non dentelé") which did not travel, 1 gazette n°22, carried by "Le Duquesne" as well as 2 pigeograms on collodion and 1 n°37 to Austria (Vienna) and a dozen engravings depicting important places in Paris destroyed or in ruins, after the bloody week (May 22 to 28, 1871).