Here is an interesting one. A Lemon Twist Superbird with white decals. Original owner was an older lady, as in over 60 years of age. The car was taken off the road in 1972 at 25,800 miles with engine trouble. The next (and current) owner took this photo in 1975 shortly after buying the car with the engine still disassembled. (He talked them down to $800 bucks by the way.) So based on that info, are they original? I would say, based on the timeline and condition shown in the photo, probably.

This is a GREAT thread!
When I first bought my car I was told you couldn't get white decals on a green Bird. I spent a lot of time talking to other owners and looking for concrete answers but I knew the wing was original paint and most likely original decals.

I've done my share of research about the 'birds and while I'm not making myself out to be an expert...I do know that decal colors varied on certain body colors.

There was Chrysler documentation about how they "should" have been....as seen above...but we also have to think about how the cars were built.

When these cars were built, they weren't built as "collectibles". The assembly personnel were just sending cars out the door. In my opinion, it would be very easy to have the "wrong" color decals on a car...and who would care? Well, as long as they were the same color on both sides!

Now, 40 years later we all seem to think things on these cars are absolute. I know from the cars I've restored...the exception is the rule.