Joined: Nov 2006
Posts: 19,810
Likes: 597
From: NJ, NYC, LI
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Hey, welcome!
It is usually really difficult to get any information from serial numbers. Unless you have factory records it is often impossible, but with a lot of research it is sometimes possible to compile a useful database for a very large manufacturer. So with Bottecchia your odds are poor.
Do you have any of the components that came on your bike? If so, post photos of those. They change more frequently than frame designs, and usually give a pretty good indication of the age of a bike.