Thanks for all the answers guys.
It's not the stem wedge you see its just a reflection of the rear brake cable. Agreed though the bars are too high for a race setup, but this doesn't mean the bike wasn't raced. Anyway I'm inclined to believe the Giro tale is a family legend, if it had been...
I hope I am posting this in the right place.
Can anyone help to provide any insight into this bike.
Best I can figure out is that it's Italian, given the name, flag and the Columbus sticker. The only thing a search brought up was that a guy called Marcus Antonio Di Renzo raced with G.S...