Back of the Cadre 4310

"Back of the Cadre 4310" with a pencil-written inscription: "Pose 1. Of the double-pillbox in the place called Kuza", village of Dyulino, district of Varna; 1948-1952; photo taken by R.Angelova; crimpy cut; 8,8 x 5,7 cm; Bulgarian; Inventory in Bulgarian language.