67 NOS Grille Craigslist score! Help needed

Hey gang scored some goodies today off Craigslist. Couldn't be happier. But I do have some questions. I met the seller at a local Walmart and he gave me the NOS front valance and wheel lip moldings for FREE. Guess his dad has had these for over 40 years. My question is I looked up the part numbers and it all says 67. But the drivers side headlight assembly has a extra hole. Isn't that a 68 thing?? Also one grille insert has the silver edges on the black screen while the other is all black. I know I can't complain for $750 bucks but it's weird they're different. Anybody have any knowledge on this stuff? Wheel lip molding come up as 69 but I think they're the same for 67

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