Holster info?

[Kris]

Dears,

This holster is in my collection. There are no markings visible.
It seems for a small cal pistol e.g. 6,35 mm.
Anyone knows if this is German? It looks like it to me due to it's closing strap.

Greetings,
Kris

[Kris]

Opened.

[Nick Komiya]

i think it's for the Czech DUO, in which case, height would be 148mm flap width 115mm

[Kris]

Nick, your measurements are exact !