LOS ANGELES: An auction house in California, has put up on auction Michael Jackson’s black surgical mask which he wore while rehearsing for his ‘This Is It’ concert tour on June 24, 2009 – his last ever rehearsal.

The claim of the auction house is that the mask is made of silk and was personally designed by Jackson. His bodyguard verifies its authenticity, and it supposedly has visible traces of MJ’s make-up along with a strand of his black hair.