1871 - Francia Ballon Monté: pair of green 5c "Napoleon III" with bistre 10c "Napoleon Laure", canceled star "8" from "PARIS D'ANTIN 15 JANV 71" on printed letter "PAR BALLON MONTE" to "LILLE 23 JANV 71". Carried by the "Poste de Paris", rare and extremely fine combination. Roumet certificate (Yvert 20+28 - € 3.300)
