Question: A Portuguese explorer appeared on stamps for what province?
Sentence (from "Postage stamps and postal history of Tete"): The 1913 stamps were those of the Vasco da Gama issue of 1898, overprinted "REPUBLICA / TETE" and a new denomination in centavos. Each of the eight values from Macau, Portuguese Africa and Timor were overprinted, yielding a total of 24 stamps.
Relevant evidence: Yes