Drawings of combat

Scheme of operations аt the Emirates heights on 18. 06. 1913. Colorful drawing, 21 x 21 cm. With text: The location of the 12 battery of the 2nd Mountain artillery regiment in the battle of 18. 06. 1913. Bulgarian language. Paper. Folded. Original reference: BOX4; F73k_op1_ae2135_v041.