Lot 601
VAUCANSON: 'DÉPÊCHE-BALLON no. 23" with one page of text, franked with Siège 20 c., tied by red cds. "PARIS (SC) 13 JANV. 71", addressed to "Albert & Gaston Tissandier, Aérostiers Militaires, Armée de la Loire" without arrival mark; large ink spot on front, otherwise very fine, a scarce and interesting item