1870 - Francia Ballon Monté: Papillon du Genie from Metz to Parigi, with landing postmark of "NEUFCHATEAU 17 SEPT 70". In the text: "Chere Tante, je vous envoie en ballon le bonjour…". Rare and extremely fine, Robineau certificate (Ceres 2009 € 9.500)