When did Campy begin date-stamping axle cones? What's the earliest anyone has seen? The cone's from the 1st generation (frankenstein bolts) 3-piece "Campagnolo" hubs on this Olmo w/cambio Corsa simple say "CAM" and the thread size.
Walt - doesn't your Vicini say "CAM 50"? That's the earliest I've heard of.