Just thought I would throw this up. I am sure it is not new news.
Oakley Juliet X-Men Movie Prop Cyclops James Marsden Marvel Film Worn X-metal | eBay
The lenses are a 1-off creation, made specifically for the film. The rest is Marvel film history. To my knowledge only pairs that were issued to the public had serial numbers, later being replaced by SKUs.
www.ebay.com