GMC Horn Covers-For Squares?

[Ironhorse]

Recently acquired a group of parts and these were in a box. Pretty sure they are for square bodied GMCs but not really up on the square bodies being a
67-72 guy. The larger rectangular caps are grained vinyl with # 9761385 and # 157236 all marked "Inland" in a square box on back. The two smaller caps is a silver tone and the gold tone with the horn symbol on the other. Just the covers, no other horn parts. All are in VERY nice condition with good grain, two smaller caps have faint hair line marks. GMC lettering is really nice and bright. Appreciate any info for years and a value for them.

[Ironhorse]

Really could use some thoughts on these since I'm not up on the square body trucks. Some thoughts on value or even a SWAG (scientific wild a** guess) LOL, would be a big help. What years GMC trucks will they fit and so forth.

[Bigdually]

From what I've seen, the value of these ranges depending usually on how many of the plastic tabs on the rear are broken or missing. Yours are just the covers though, I've never bought them that way before. I can tell you I'm interested in one of the brushed stainless ones though, those are the higher trim option covers, usually from a Sierra Classic. They look in good shape and mine has a large ugly crack.

[Ironhorse]

Thanks for the reply. Really not sure about a $$ value but looking on the inter net I did find that the plastic transition pieces with the tabs are available. I guess will start a for sale thread on them in the 73-87 parts forum with a SWAG. Will give you a first dibs on the two brushed stainless covers.