Here are some images of Protar's 1/9 scale 1927 Bianchi "Freccia Celeste" 350cc.
The main problem when building older kits is the frailty and brittleness of the metal and plastic
This kit was no exception. Though it's a beautiful kit I don't know if its problems were due to the way plastics and metals were made in the past or if it's just age. Needless to say it made for a more difficult build.