1892: Groupe type complete set of the 13 values issued in 1892, as bloc of four plate proofs on cardboard paper showing the following FOUR DIFFERENT COUNTRY NAMES: INDO-CHINE, ETABLISSEMENTS DE L´OCEANIE, GUINÉE FRANCAISE, OBOCK. These proofs were exhibited at the "Exposition Universelle de Paris" in 1900. Each bloc of four is UNIQUE and they can be considered as the rarest proof of Indo-China. Signed by the expert Pascal Scheller. Very Fine. (Image)

1921 (20.4.), Extremly rare first airmail "Luang-Prabang - Saigon": Envelope (some corner faults/transport marks and small tear on upper side) bearing 2x "4 CENTS" on 10 C and "2 CENTS" on 5 C cancelled by "LUANG-PRABANG 20-4 21" and beside boxed "PAR AVION VIENTIANE-SAIGON 27 Avril 1921", flown first from Luang-Prabang to "VIENTANE 21 AVRIL 21" and flown for a second time at 27.4.21 from Vientane to Saigon with arrival "SAIGON CENTRAL 2 5 21" and sent finally to Paris, an scarce exhibition item showing the earliest airmail of French Indochine! (M) (Image)