Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

Cochinchine 1888: Overprinted 15/15 in black on 30 c. brown, complete example used with Colonies 1881 Dubois 5 c. green on greenish horizontal pair on 1888 cover to Salonique, Turkey all tied by "GOCONG / COCHINCHINE" datestamps (Nov 11) in black. Reverse with Saigon transit cds (Nov 12) and Salonique French P.O. arrival (Dec 17) in black. Scarce and attractive cover.