Lot
1948 
France, 1871, Ballon Monté, The "Duquesne", fresh folded letter franked with 1867, 20c blue (34) tied by red "Paris, 6 Janv, 71" cds, to le Mans and forwarded to St. Malo, Very Fine; with 2016 Roumet certificate. Yvert No. 55. Scott No. BM55 Estimate $600 - 800.