Sweet ride! Any idea of the age?

It seems he was outsourcing production while he still raced:

"[As found on another site]Cofidis rode Fondriest frames when he was on the team which must have been around 1997? I'm not sure when he first put his name to frames but it was whilst he was active as a rider. My understanding is that he never built the frames himself but outsourced them to one of the many Italian companies that build frames for other people. I've heard anecdotally that both Viner and Billato have built Fondriests but am not sure if it's true."