Any way to identify bumper guards or a part number for them

[Mll1446]

Have a bunch of bumper guards can’t find part number all made in Canada any ideas how to find what car for. Thanks in advance

 

[Mll1446]

Pic of lot

 

[DeltaV]

A couple of them remind me of Cordoba knee breakers. Here are the front and rear on my '79 300:

Looks like I need to clean my car.

 

[6PKRTSE]

My New Yorker has some huge knee breakers on the front and rear. I know that they are there and still always busting my knees on them when I walk by or working on it.