This is the back of F120k_op1_ae1025_v026. Text with pencil: "Soldier's kitchen". An unidentified location. 14 x 9,2 cm. Bulgarian language. Cardboard. Dirty. Original reference: BOX5; F120k_op1_ae1025_r026
This is the back of F120k_op1_ae1025_v027. Text with pencil: "Soldiers at rest". An unidentified location. 11,1 x 8,1 cm. Bulgarian language. Paper. Dirty. Original reference: BOX5; F120k_op1_ae1025_r027
This is the back of F120k_op1_ae1025_v028. Text with ink: "Soldiers at rest, near Chukla peak". 13,8 x 9,1 cm. Bulgarian language. Cardboard. Original reference: BOX5; F120k_op1_ae1025_r028
This is the back of F120k_op1_ae1025_v033. Text with pencil: "Soldier's kitchen. Soldiers - cooks". 17 x 12 cm. Bulgarian language. Paper. Dirty. Original reference: BOX5; F120k_op1_ae1025_r033
This is the back of F120k_op1_ae1025_v036. Text with ink: "Theatrical performance for the soldiers". 13,7 x 8,7 cm. Bulgarian language. Cardboard. Dirty. Original reference: BOX5; F120k_op1_ae1025_r036
This is the back of F120k_op1_ae1127_v001. With text: Vehicle for repairing the tram rails. 1,5 x 9,5 cm. Bulgarian language. Paper. Original reference: BOX6; F120k_op1_ae1127_r001
This is the back of F120k_op1_ae1127_v002. With text: The first tram in Sofia, put into motion on 01.01.1901. 11,5 x 8,5 cm. Bulgarian language. Paper. Original reference: BOX6; F120k_op1_ae1127_r002
Photo. The first tram in Sofia, put into motion on 01.01.1901. Black and white photo, 11,5 x 8,5 cm. Text on the back. Bulgarian language. Paper. Original reference: BOX6; F120k_op1_ae1127_v002
This is the back of F120k_op1_ae1127_v003. With text: Repair of tram wire. 13,5 x 17,5 cm. Bulgarian language. Paper. Original reference: BOX6; F120k_op1_ae1127_r003
This is the back of F120k_op1_ae854_v001. Text with ink: Picture of Nikola Bozhinov's memory by his brother E. Bojinov. Cardboard. Decorative printed back. Original reference: BOX6; F120k_op1_ae854_r001