Ammo pouch wartime ...?

[Ostmark]

Hallo

A friend of mine has this ammo pouch, but we are not able to identify
what kind of pouches they are. MP40 magazines are fitting perfect ..

Are this pouches pre war, wartime or postwar (austrian?)

[Ostmark]

backside

[Ostmark]

...

[Ostmark]

..

[Ostmark]

Stamp on flaps (fake?)

[Ostmark]

....

[Ostmark]

sideview

[Ostmark]

My opinion is postwar austrian staff, but lets hear others ...

[Admiraal]

It looks a bit swiss ?

[Ostmark]

Thanks Rick for your help

I did a google search, but without any success ...