This is the back of F73k_op1_ae2805_v086. Text with pencil: "21st Artillery Regiment - Soldiers from regimental battery". 12,8 x 17,8 cm. An unidentified location. Bulgarian language. Paper. Dirty. Original reference: BOX4; F73k_op1_ae2805_r086
21st Artillery Regiment - Soldiers from regimental battery. Group portrait, whole figure, military uniform. An unidentified location. Sepia, 12,8 x 17,8 cm. Text on the back. Bulgarian language. Paper. Faded. White and black lines at the edges. Original reference: BOX4; F73k_op1_ae2805_v086
This is the back F73k_op1_ae2815_v048. Text with pencil: "21st Artillery Regiment - training command". Belasitsa Mountain. 17,9 x 12,9 cm. Bulgarian language. Paper. Dirty. Moistened end dry. Original reference: BOX4; F73k_op1_ae2815_r048
21st Artillery Regiment - training command. Group photograph, whole figure, military clothing. Belasitsa Mountain. Black and white photo, 17,9 x 12,9 cm. Text on the back. Paper. Black lines at the edges. Original reference: BOX4; F73k_op1_ae2815_v048
