Positional photos of the infantry and artillery parts of the front at Belasitsa Mountain

This is the back F73k_op1_ae2808_v006. With text: After weaned enemy airplane attack monitoring of departing aircraft. 17 x 12 cm. There is a stamp of the 11th Macedonian Division, the 3rd Company of the 5th Macedonian Regiment. Bulgarian language. Paper. Original reference: BOX4; F73k_op1_ae2808_r006.