My uncle has a small collection of swords his grandfather brought back from the war. He said he has had the swords for a long time, but never had them identified or appraised. He sent me some pictures of them, and was hoping I could help him learn more about them.

I was referred to this website when I posted on a subsection of Reddit. All help is appreciated and I have confidence in this forum's expertise.

Here are the swords:

Thanks in advance, guys.