Military order, parades on the front and prayers to parts of 11 Infantry Division

This is the back of F73k_op1_ae2800_v082. Text with pencil: Ceremony at the opening of the primary school in the village of Kolarevo. 17,5 x 12,5. Bulgarian language. Paper. Folded corner and spots. Original reference: BOX3; F73k_op1_ae2800_r082.