Originally Posted by
timc11
Thanks Cranky - the Campy says Patent 73, so I'm guessing that narrows it down a bit. I'm not sure when the frame was ordered versus when it was built up. I may actually try and call the shop - have you ever tried to do that?
I bought mine used from a fellow who bought it in England, so no shop to call, but I did write to Ron Cooper once. The letter came back as having a bad address after several months. I'd taken the address for his shop from somewhere on the web. My serial number is 69 and my derailleur is Patent 70.