Mannlicher Ersatz Bayonet (unknown type)
Paweł Sumka (<a href="//commons.wikimedia.org/wiki/User:Sumek101" title="User:Sumek101">Sumek101</a>, PL Wikipedia: <a href="https://en.wikipedia.org/wiki/pl:user:Sumek101" class="extiw" title="w:pl:user:Sumek101">Sumek101</a>)
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>