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 Cer+?s and star cancel \"1\", reverse arrival 24.12.70, superb