The doodle, made on stationery of the recording studio TNT Music Centre, has an estimated worth of over $10,000
His friend Tessa Osbourne safeguarded the locks she cut back in 1989
Susie Tennant is struggling with "symptoms of early onset Alzheimer's and dementia"
The file includes two letters from individuals who asked the bureau to investigate the 1994 death
The locks go under the hammer at today's 'Amazing Music Auction'
Jocelyn Susan Bundy alleges that the image has been used without permission since 1997
The collection includes some never-before-seen pictures of the Nirvana frontman
The cover appears on Dave Grohl's new documentary 'What Drives Us'
St Vincent, Ringo Starr and more join the Foo Fighters frontman to reminisce
"The joy that I have felt from chronicling these tales is not unlike listening back to a song that I’ve recorded and can’t wait to share with the world"