That kinda looks like a side molding off of a 1967 Fairlane 500. But not sure, looks kinda like the same pattern that I took off of my fairlane.
I agree It looks like the lower quarter trim off a 64 Buick Wildcat! If I was around my car I could tell you for sure, but I am not!
hmmm... could be a spy here only to infiltrate the classified section. no intro, but more important .. minimal info on his profile page.