KOLIBRI" N°2 AUTOMATIC PISTOL 2.7 mm calibre Bronze finish. Ebonite stock plates marked FP and KOLIBRI. Frame numbered 413. Trigger numbered 24. N" hallmarks under imperial crown. In leather case with period cartridge box. Length (weapon): 6,1 cm (2 ½ in.) - (case): 9 x 7 cm (3 ¾ x 2 ¾ in.) B.E. Functional mechanics. A 'Kolibri' Automatic Pistol n°2, calibre 2.7 mm