This is a “Celebrity Machines” metal stamped prop license plate titled “Cozmic” featured on the television series The Big Bang Theory, signed in-person by Neil deGrasse Tyson. Autographed in-person collectible prop plate associated with the popular science-themed sitcom. A distinctive television-related collectible tied to a widely recognized science communicator and cultural media appearance. Neil deGrasse Tyson is also known for his appearance on The Big Bang Theory (2010), where he appeared as himself in the sitcom’s science-focused storyline, along with his broader work in science communication through Cosmos: A Spacetime Odyssey (2014), both of which helped bring astrophysics concepts to mainstream television audiences. This item is certified authentic by Beckett Authentication Services (BAS) Certification number – BS14500