I believe it was originally full 600, but someone replaced the crankset, FD and BB. The 600 stuff is all 6207 (calipers and levers, hubs, RD, freewheel, pedals). Tubing and fork decals are celeste-ish Formula Two. By any chance, do you know any sources of Bianchi decals? I've founds some for the fork and tubing, but I'm specifically looking for the model sticker once it's figured out.