from the fork picture with the Columbus decal, seems to be a good one, "special tubing for Bianchi" how about the Columbus Decal on the seat tube ? can you see a certain name for the Columbus tubing ? you have there some nice box section tubular rims, rust could be a little safety risk, the Campagnolo components look great, headset, brakes, hubs, seatube, brake hoods, nice frame details like chromed lugs, Bianchi engravings, what are you planning to do with this bike ?