Other props from the franchise, including lightsabers wielded by Ewan McGregor (Obi-Wan Kenobi), Liam Neeson (Qui-Gon Jinn) ...

A cashed-up Star Wars fan has dropped $256,000 to own a Stormtrooper helmet that was worn in Episode IV - A New Hope in 1977.

"We are beyond thrilled to welcome George Lucas to Comic-Con for the very first time," said event spokesman David Glanzer.