Technical Help identify these parts?

Looking for help to find out what this trim is off of and what these bumpers are off of.
Thank you.

 

The first picture look like their from a boat.

 

Are those first trim parts of a mid 60's Olds?

 

1957 pontiac rear bumper

 

If you want to sell that Pontiac rear bumper I would be interested.

 

Thanks for the help guys.

 

Rarerodder I will sell the bumper for $400. Really nice original chrome. Will polish up great.

 

first pic is 58-59 chevy apache fleetside spear trim. the front and rear of it at least