Indochina, Stamps of the Alphee Dubois general Colony series overprinted with new Values Annan and Tonkin, 1889, Michel Nr. ANN 4-6; A decree signed in Hanoi on 21.…
Indochina, Stamps of the Alphee Dubois general Colony series overprinted with new Values Cochinchina, 1889, Michel Nr. CCH 4-6, CCH I; Three stamps of the Alphee Dubois series…