Hi Musehead,   I have a pair of vintage Bausch and Lomb Ray Bans that I am trying to get more info on. My father bought them back in the 70s or 80s and has never worn them because he had to get prescriptions. I have looked at quite a few websites that list info on how to tell a fake and all, but the glasses that I have are slightly different from what they consider to be "real." Mine have the stamp on  both the under and upper side of bridge. Top side reads "B&L Ray...