Huh, I took it for granted that those iconic glasses would be easier to buy. Can't even find a picture of the (unconfirmed) model.
http://www.magnificentbastard.com/posts/ask-the-mb-marcello-mastroiannis-glasses-in-8-1-2
> Our best guess — with the help of Allyn Scura — is that MM's glasses are a Safilo frame from the early '60s.
Supposedly the 8 1/2 sunglasses are Prada SPR07F
These Persol 649s are kind of cool too, even if you barely recognize him