1871, letter by Boule de Moulins franked at 1f with 5 Bordeaux 20c blue stamps including 4 stamps with a very nice deep shade, all cancelled GC 720 with Cannes (Alpes Maritimes) date stamp of 5 January 1871, on the back ambulant "Marseille à Lyon" of 6 January, signed + Bolaffi certificate (1978), superb.