CZ mod. Z
Cal. 6.35mm (.25ACP)
This little 6.35 was made by Dusek of Opocno from 1926 to 1949.
The design was then appropriated by the Czech state firearms industry and marketed as the "z" pistol.
The general design was base on the 1906 pattern Browning.
The "Duo" were also sold under the names Ideal, Jaga and Singer.
This one is a CZ (1956) and it has the logo "Z" on the grips.