Worth measuring them properly, it's almost impossible to tell by looking at them, plus campagnolo headsets sometimes use different sized bearings for the top and bottom cups.
For the sake of a few quid it would be worth getting a vernier and save screwing up a potentially expensive and nice old headset
Worth measuring them properly, it's almost impossible to tell by looking at them, plus campagnolo headsets sometimes use different sized bearings for the top and bottom cups.
For the sake of a few quid it would be worth getting a vernier and save screwing up a potentially expensive and nice old headset