Maybe, just maybe.........
What if these lenses were some design studio pieces that walked away as "lunch box" treasures, or something that was glommed from the Guide plant.
In the early 60's I worked for a guy whose brother in law worked in GM's design department. He would come to visit in some oddball car he had bought that had different trim or paint or interiors than the assembly line stuff. His story was that the department staff could buy these cars but they couldn't resell them for at least 6 months.
I have also seen and owned a few 0- pieces and some Holley carbs for combinations that never made it to production.
Maybe, just maybe, these lenses are something that just never made it to production.
