Canteen Jaeger?

[Birkholz76]

Hallo!
Prompt, please, what is this Feldflasche? By the form - usual German infantry canteen of the first war. BUT VOLUME - 1 LITRE! Brands aren't present.
It can the Gebirgsjaeger EWK?
Thankful in advance for the information.

[Birkholz76]

Unfortunately, I can't put photo for some reason. I can wishing to send any photo on e-mail.