A bullet necklace that stores diamonds, from the James Bond 2002 film "Die Another Day" is pictured in this undated photograph released on November 16, 2012. The highly polished dental grade surgical steel alloy teeth are one of the artefacts featured in the exhibition "Exquisitely Evil: 50 Years of Bond Villains," that opened at the International Spy Museum in downtown Washington on Friday. Reuters/1962-2012 Danjaq, LLC and United Artists Corporation/Handout