I have a similar problem. I recently acquired a 1980's vintage celeste Bianchi. It is mostly campy (mavic wheels and hubs) but there is no model or gruppo identification on anything. Everything says "Brev. Campagnolo" which merely means "copyright Campagnolo" and it bears the campy winged shield logo. The components are robust and angular. I have looked through the catalogues and saw little that helped. I think these are newer parts as the seat pillar and the stem are aero. The shifters are located on the down tube and are rectangular. They have "Campagnolo" on the top and a little finger dimple at the top of the bottom side. The brake lever hoods are white rubber and have the winged shield which would place them at 1983 or later. Of course, the bike itself could be older and these could be upgrades from whatever was on there when the bike was new. A sticker on the bike indicates that it was built in Italy.
If anyone has any information about this group, I'd like to hear from them.
Charles in London Canada
Last edited by Bianchiriderlon; 07-11-05 at 10:35 AM.