Originally Posted by
USAZorro
It depends on whether or not you intend to repaint them. You could use chemicals or mild abrasives to expose the metal (and potential stamping underneath). Also, have you checked the steerer tubes for markings? Some frame makers duplicate the frame number on the steerer.
Both frames are in desperate need of a respray and some internal frame protection so I will try removing some paint tomorrow and give an update on any serial numbers. I have inspected both steerers and there is no markings there either.