LAVOISIER, balloon pilot Ledret, 1 passenger, round 175 kg post in 3 sacks, complete, very good preserved printed form folded letter "Par balloon Monte / Decret you 26 Septembre 1870 . " with coat of arms from Paris 20.12.70 to St. Lo / many a with 20 C Ceraes and star cancel "1", reverse arrival 24.12.70, superb