I bought a pile of climbing gear in the late 60s and this stuff was in the box amongst the aluminum biners & chrome-moly pitons. I'm guessing they’re 1940s - 60s stuff.

R.Cassin pitons - three of them
F. Simond Chamonix piton
Stubai Austria - two circa 1940s-1950s? Made by Stubai in Austria from malleable iron.
Cassin Locking Steel carabiner
Stubai Locking oval carabiner
Steel Oval – no markings - looks the same vintage as the Stubai

Perhaps they might make a nice display for someone …
Advice sought: How do I determine value? Find someone who would display them somewhere? Or are they too common to be of general interest?

The pitons make excellent drawer pulls for someone making a camper van or rustic cabin. I've seen it done, very cool effect.