This is the back of F73k_op1_ae2521_v001. With enscription: a memorial of Petar Darvingov. Text with ink. Firm logo - Photostudio A.F. Baubin. Town Thessaloniki. 16,0 x 8,0 cm. Latin text. French language. Cardboard. Original reference: BOX1; F73k_op1_ae2521_r001
