Lot
1942 
France, 1870, Ballon Monté, The "Denis Papin", folded letter with "demandant Dépèche pour Amplepuis" address, franked with 1867, 20c blue (Scott 33) canceled by red "Paris, 6 Dec, 70" cds, no transit or arrival markings, Very Fine; with 2016 Roumet certificate. Yvert No. 40. Scott No. BM40 Estimate $400 - 600.