I think that info is in my signature, but in case it’s not showing up, it’s build was in early March 1968 in Metuchen.
Yes I think the other rear quarter looks to have been replaced. It’s also missing internal sealer on that side.
Partly I wanted to check if they all got it, in case it was just something added at the dealership etc.
Sorry I missed (didn't look
my mistake
I have bought a can of deadener with an applicator said to replicate that wavey look the old stuff has.
Good luck with that. Not going to be easy for a can to produce the wide heavy pattern the original wands/guns applied and with the newer stuff they tend to break down earlier passes with the product so you don't get a good build up if you try allot of multiple passes
Not allot of non- rusty examples out there but here are some examples. Even if no fastbacks they still show direction of travel, amount, area of coverage (staying away from edges of the panels and such) and other details you should consider when reproducing the "look"
Like some other details it doesn't appear everyone was applying (shift or one worker) was putting out allot of effort to cover much but it is what it is.
Often we can find what looks to be a very heavy narrow part of a pass that stands out and the pattern (unlike other plants) appears to be a much or circular application as shown in some of the following. These are from your cars time period and just before and after to provide the number of examples shown
Hope this helps
First is a somewhat odd - nice straight single pass that stands out when you see the others
More typical - with a somewhat every ending pattern horizontally
Large application and highlights to point out the larger area. May be the same worker as below given the pattern
The circular look - never ending pattern application. Must have been one of the three that really liked this method or just found it easier