those hubs ranged from late 60s into the 80s it sounds like
the crane derailler is a 70s piece
the frame lettering has me thrown - i cant find anything like it on the net - i'm just so intrigued

btw - i see this tipo front
hub - attached to an ambrosio rim - i might be able to score a few bucks on the bay - no?

i dont know if i want to let it go though