Nyassa 1918 King Carlos I Surcharged 'REPUBLICA'

Nyassa (Portuguese Mozambique) · 1918 · ¼ Centavo on 2½ Reis

This stamp is an overprint and surcharge on an earlier issue of the Nyassa Company. The original stamp, featuring a portrait of King Carlos I of Portugal, was surcharged with a new denomination of ¼ Centavo and overprinted with 'REPUBLICA' following the 1910 revolution that established the Portuguese Republic.

Issued by the privately administered Nyassa Company in Portuguese Mozambique, this stamp reflects the political transition in Portugal from a monarchy to a republic, with existing colonial stamp stocks being updated to reflect the new government.