Courtney Love sold off some of Kurt's belongings to the Hard Rock.
Supposedly this was Kurt Cobain's Jazzmaster, but according to Ernie Bailey Kurt never owned a Jazzmaster.
From kurtsquiptment.com
"The Hard Rock Cafe's collection of guitars mistakenly claims Kurt's "trademark" Fender Jazzmaster which is autographed. Kurt has told Earnie Bailey on several occasions that he never used a Jazzmaster. Earnie chased down a lefty Jazzmaster for Kurt once but he and Krist decided it was too expensive, as it was going to be purchased as a surprise."
Source; Kerrang and kurtsequiptment.com
