Holek Model 1921 pocket pistol Designed by Vaclav Holek, produced by Zbrojovka Praga - Prague Weapon Factory - c.1921-26 - serial number 2305. .25ACP six-round magazine, blowback semi-automatic, folding trigger held in place in a groove below the slide, which could be operated single-handedly using the index finger to pull it back,
