It'll cost you, but hey! Good cause! "In conceiving the actor’s characterization of the iconic character, Mr. Oldman conferred with director Tomas Alfredson and costume designer Jacqueline Durran over just which would be the right pair of glasses for Smiley to wear throughout. He found the desired pair in the U.S. and brought them to England for filming there. The glasses up for auction are the ones that Smiley acquires and begins wearing in the film, after the prologue and flashbacks, for the duration of the 1970s-era story as he tracks a double agent compromising Britain’s highest espionage ranks." [Charitybuzz]