Just wondering if anyone has been able to make a side by side comparison, or perhaps used them, of the 1969 Road Runner grille & headlight bezels of these two companies?

I see them for sale everywhere with different vendors with prices varying drastically. One vendor will sell the grille for under $140 while another sells it for almost $400. Same goes for the bezels, prices are all over.

One thing that tends to be consistent is that the Goodmark parts are slightly less so I am wondering if there might be a quality issue or if it's just based on volume?