First World War - sanitary activity

This is the back of F120k_op1_ae1050_v002. With text: Medical help for wounded soldiers. Improvised banding point on the 15th Infantry Regiment. 13,7 x 8,8 cm.Bulgarian language. Cardboard. Crushed, with a spots. Original reference: BOX6; F120k_op1_ae1050_r002.