1916, "Occupation francaise" overprints, 1c. to 2fr., complete set of 14 values, neatly oblit. "DUALA" (German postmark), 40c. mint, signed Calves. Rare set, many stamps issued in a quantity of 1000 stamps only. Maury 16/29, 1.650,- € + (Tax Method: Margin System) (Image)

1921, 15 C blue/orange pse, uprated with pair of 35 C grey/ultramarine and sent registered from JAUNDE, 22 JUIL 24, to Paris in France. VF condition (Tax Method: Margin System) (Image)

1924, 25 C. on 2 F. oliv/carmine with overprint, four different overprint types in black unused on paper with small shortages. Signed Scheller. New discovery unknown until this find!, small stians/faults ÷ 1924, 25c. sur 2f. carmin/olive. Essais de surcharges en noir. Quatre timbres collés sur un support, tous avec une surcharge différente. Authentiques." (Maury no. 65) (Tax Method: Margin System) (Image)

1925, rubber harvest, four color proofs, without declaration of value in the cartridge and unperforated. Signed Scheller. New discovery unknown until this find! ÷ 1925 - récolte de caoutchouc, Essais de couleur sans valeur dans le cartouche. Quatre couleurs différentes aves centre brun. Signé Scheller. Authentiques." (Maury no 76) (Tax Method: Margin System) (Image)