camper frame brackets?

[gmc 2500 4x4]

these were on a '68 3/4 ton 4x4 gmc i have that was wired for camper. they were mounted behind cab (see pics) dont know if they are factory. any one know anything about these please reply, i dont want to throw them out if someone needs these....thanx, paul

[FirstOwner69]

I don't recall anything like that from the factory. They look homemade to me.
Certainly not included with the camper wiring, and I've never seen them in the list of available options.

[gmc 2500 4x4]

i'm thinkin a reinforcement , thought i'd post cause i didnt see it in my book, just the helper springs