Vintage exterior rear view mirror FM Swingline 5 Body or Fender mount

Description

Vintage retro screw on side exterior rear view mirror FM Swingline 5 Body or Fender mount.
The boxes are marked with an R assuming they are right side but they seem to be universal.
One is definitely older than the other with some pitting. The other is brand new. The boxes are old and crumbling.
Includes mounting gaskets and screws.