Flag map of Portuguese São Tomé and Príncipe (1911–1975)
Own work based on: Flag of Portugal.svg  and Flag-map of Sao Tome and Principe.svg
Flag of Portugal by Columbano Bordalo Pinheiro (1910; generic design), vector design by Vítor Luís Rodrigues; António Martins-TuválkinFlag map of Sao Tome and Principe by DarwinekFlag map of Portuguese São Tomé and Príncipe (1911–1975) by ReneeWrites