This is a poster stamp from the German series called ‘Welt in Waffen’, or World at Arms. This is number 11 of a series of 12 stamps, and shows examples of troop branches in the Serbian army, specifically cavalry, artillery officer, and cavalry. The first 10 stamps in the series featured soldiers from Germany, Austro-Hungary, Italy, America, Russia, England, France, Turkey, Greece, and Bulgaria. The twelfth stamp featured the Montenegrin army. || Poster stamp.

A poster for The Tonics Concert Party of the 76th Infantry Brigade

Serbian infantry postcard || This is a postcard from 1915 on the subject of Serbian infantry and is by the French artist Leon Hingre.