Joined: Nov 2005
Posts: 5,768
Likes: 10
Bikes: Cinelli, Paramount, Raleigh, Carlton, Zeus, Gemniani, Frejus, Legnano, Pinarello, Falcon
Serial numbers were part of the manufacturer's record keeping: not part of a later day identification device, though I guess if enough info was available it might be possible to date from them. Sounds like you have a 70 or so.