Indochina, Stamps of the Alphee Dubois general Colony series overprinted with new Values Annan and Tonkin, 1889, Michel Nr. ANN 4-6; Three stamps of the Alphee Dubois series were overprinted for Annam and Tongking with a new value and the letters “A-T”. Specifically 1C on 2C red-brown, 1C on 4C violet-brown and 5C on 10C black.
Below is the 1C on 4C cancelled with Nam Dinh-Tonkin circular cancel (Desrousseaux B 1) from February of 1883.
Registration Nr. 090002