10. John Lennon’s decaying molar – 2011 – $31,200
A Canadian dentist Michael Zuk who is a tooth collector who brought John Lennon’s decaying molar at auction for around $31,200. Mr Zuk wants to use the DNA from the tooth to try and clone John Lennon. He has already sent the tooth to a laboratory in the United States to try to attempt to extract the genetic information from the tooth.