This flag is reconstructed from a postcard reproducing a black and white photograph from 1910. The star is five-pointed as can be seen from the stamp below. The background is carnation according to a period journalist.
References
Reverse of post office (1910)
Stamp (1910)
Georges de Celi (1910-09-25). "Notes d’actualité : Le roi de l'île d’Or". La Gazette de France279e année: 1 col. 5. Paris: Au Bureau d'adresse et de rencontre. Retrieved on 2021-11-15.
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