First World War

This is the back of F120k_op1_ae1057_v001. Text with ink: "Colonel Dolapchiev, Commander of the I Infantry Regiment". An unidentified location. 12,3 x 8,5 cm. Bulgarian language. Paper. Dirty. Asymmetrically cut. Torn. Original reference: BOX5; F120k_op1_ae1057_r001.