Jimi Hendrix's Fender Stratocaster, which he famously torched on stage in London, is to go under the hammer in London later.
The guitar, which was set alight during his gig in Finsbury Park in 1967, is expected to raise £500,000.
It forms part of an extensive auction of rock'n'roll memorabilia, which also includes a drum kit belonging to the late Led Zeppelin sticksman John Bonham.
The only remaining fingerprints of Elvis Presley and the Beatles' first contract will also be sold at the It's More Than Rock and Roll memorabilia auction.
The auction will take place at the Idea Generation Gallery.
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