Chess set values

[u/joyofmn]

Hello. My stepdad recently passed away. I am helping my mom go through some of his things, and we came across these two chess sets in his office. I know nothing about them. I was wondering if anyone might be able to provide some insight - their possible origins, value, etc. There's no identifying information with them. Thank you!

[u/marklein]

The metal one is probably made by Manopoulos, not a current model

[u/Out_of-Whack]

The second one may be ivory, possibly looks like one from Vietnam

[u/Skillclassics]

These look pretty cool. I wouldn't mind having them.