During the era when the Tipo hub was current, Campy also made the Nuovo Record hubs. IMO, the NR hubs were the best hubs ever made. The Tipo hubs on the other hand, weren't exceptional at all. The axles were soft and the cones weren't nearly as precisely machined as the NR Campy hubs. I was in the bike business in the 70's and had a fair amount of experience with the Campy products - my opinion reflects what I qualitatively think about the hubs, but I'll be the first to admit that doesn't address the questions of monetary worth in todays collectible market.