9mm corrosive?

I bought this 9mm ammo a while back and just recently fired some finding it was berdan primed. Can someone tell me where this ammo came from and whether or not they are corrosive?

I apologize for the poor photo I tried to make this post on my phone rather than scanning the headstamp and posting it on my computer.

Yugoslavian, most likely corrosive

Thanks i take it the 11 is the factory code and bottom number is the year

Correct, and “11” is the code used by Prvi Partizan.