Keywords: Oko Sokolovo.jpg en Serbian soldier Dragutin Matić with the flag of the kingdom of Serbia The background flag and colouring was added later Original photography of Matić was taken by Sampson Tchernoff during World War I The photography was widespread in the world and often had the subtitle Oko Sokolovo Falcon's Eye sr Војник са Заставом К аљевине С бије Vojni Muzej srpske istorije Pukovnik Stefanovic 1912-02-13 PD-old 200px People associated with World War I from Serbia Personifications of Serbia Sampson Tchernoff Serbia in World War I Soldiers of Serbia Patriotism in art Serbian patriotism Belgrade Military Museum |