37mm cartridge identification

Hi, I obtained a cartridge from a passed far relative, it’s a 37x57mm for grabenkanone M15 but I never saw a similar bullet for this cartridge.

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Brian

I’m using the phone

thank you,these are the other photos

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The projectile does not belong to this case and should be an early 37x94R Hotchkiss with missing driving band.

http://www.municion.org/37/37x57R.htm
Does “grabenkanone” mean “trench gun”?

Vlad, yes!

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The case looks very short ? Is it correct ? I have no idea, some day I will have to learn more on 37mm, I have a lot of them.
Correct thanks for the link SKSVLAD, I missed it

AmmoOne, the case here is correct for the Austrian 37mm M15 (57mm long) as it has nothing to do with the 37mm Hotchkiss which is 94mm long.

https://www.google.de/search?q=3,7cm+grabenkanone+m15&tbm=isch&source=hp&sa=X&ved=2ahUKEwih_omniKbhAhXP_aQKHfZlC6cQsAR6BAgJEAE&biw=1920&bih=933

Got it, Thank you for the info!

Thank you all for your help