You won't believe the reason this never made production.
It's a shame that supercar-producing legend Lamborghini never let this reach production. Despite being the only six cylinder Lambo ever conceived, the production of this 1967 see-through supercar was shot down for what is probably the most unusual reason we could imagine. In the words of the company's founder, Ferruccio Lamborghini, producing the Marzal just wouldn't have been appropriate because "a lady's legs would be there for all to see."
Unfortunately, Mr. Lamborghini's concern about the privacy of passengers was enough to stifle the creative efforts of Macello Gandini and Italian partner company Bertone, the group that designed and built the car earlier that year. Although this polarizing piece of automotive history may have never made production, it's still inspiring to see that it was highly valued when it was auctioned in 2011. On top of that, we can also admire the extended-length transparent gullwing doors and perhaps also the variety of models Bertone and Lamborghini felt were necessary to show off the car in outlandish fashion.