ChinaCameroons (French) 1918 Registered Stationery
Postal Stationery Envelope 15c violet & pink overprinted "Cameroun Occupation Francaise" upgraded with Yvert 81, 1f violet & green, Yvert 82, 2f violet & olive and Yvert 83, 5f blue & rose tied by Duala Kamerun double-ring with boxed handstruck Duala registered addressed to Switzerland with Buchs arrival on reverse. (pt)
