Positions of the Bulgarian troops in Belasitsa Mountain / World War I

This is the back of F73k_op1_ae2801_v048. text with ink: "Kulchiiata" position - Doiran Lake ". 16,5 x 12,5 cm. Bulgarian language. Paper. Dirty picture. Original reference: BOX3; F73k_op1_ae2801_r048.