Post-1918 postcard of the youngest NCO of the war [1200×766]

A 9x14cm postcard printed after WWI:

Sub-sergeant Momčilo Gavrić at the age of 10, volunteer, whose parents were killed by the Austrians, reports with his comrade to the officer.

Courtesy of the National Library of Serbia, Great War collection (https://velikirat.nb.rs)