I just bought a pair of fenderskirts of ebay for my 68 Fury III convertible. When I took of the moulding I saw that one side was painted under the moulding and the other one just have primer under it. I thought that was weird. One other thing was that they were marked on the backside with a...
Here is the rear floor of my 68 Fury convertible also bought in Colorado, but for for 31 years ago. Mine is not as nice as yours but fairly dry. Im in the process of fixing it now for the second time, new paint, new top and a lot of other things.
Here is a picture of how it looks in my 68 Fury III convertible. I bought a speaker and fader kit (original) and mounted it as described in the manual. It was a cover over the speaker hole before of the same material as the back of the seat.