This is a perfect case for replacement if the replacements wouldn't cost so much! $120 for a set could go very far in other parts, which I'm sure the Prior Restorer decided as well.
Plan for future project.
The one problem with the Spitfire line in general is with such a wonderful wooden dash, they just didn't use wood enough. Along with the Rear-view mirror, I believe a metal/wood hybrid replacement would look just spectacular. Based on the same design concept as the rear view mirror, the visors would be constructed similarly, with mirrors in both driver and passenger visors.
Passenger side sun visor concept
Don't get me wrong, I love the fact that my dash is a full 3 piece dash, unlike the earlier dash in the middle, I just want to take it one step further.
There is no driving need to have this RIGHT NOW so I am filing this one as a future project.
Design Drawings were built as such:
Scan of each side of the original passenger side, then merged together. Digital manipulation was performed to remove the background, to draw the outline of the mirror and form fills to flood in the color and pattern. The image was then scaled down by half and the DPI halved to compensate. If this works, the image should be able to be used as a measurement reference source. If not, I will draw them in.