Not sure what is up with lack of headliner in my truck but I also noticed one other missing feature which is the lower trim and tailgate not being woodgrain, after reading the thread I checked it over and it looks original and untouched. Apart from that everything appears as it should with woodgrain on glove box, panel and doors.
I even checked with the PO's, the truck actually belonged to the girlfriend(she died a few years ago) of the guy I bought it from and it was given to her by her father who was the original owner. Her brother lives close by and I asked him about the truck and he told me it was 100% original when it went to his sister and the only thing that was changed while in her posession was a new paintjob. When she died it was inherited by her boyfriend and while in his posession the 402 was swapped for a 350 because he thought it was shot, turned out it wasn't but he thought he was an expert mechanic. The only other thing was the dash was hacked a bit for a steroeo, oh and along the way it lost the mirrors. Now if anyone is lying about anything it would be the guy I bought it from (the boyfriend), which is possible and he says the trim is all original.
As you can see by the tailgate I'm pretty sure the molding was messed with at some point.