Sketches including designs for Sir Paul McCartney's "magic piano" that were found in a skip could fetch £10,000 at auction.
Builder Andy Clynes, 54, found them in 1999 as he converted a mill into a wine bar near Manchester.
He put the sketches in his loft but recently decided to get them valued. They will be auctioned on 24 March.
Sir Paul played the psychedelic piano in The Beatles' 1967 Magical Mystery Tour film.
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Sketches including designs for Sir Paul McCartney's "magic piano" that were found in a skip could fetch £10,000 at auction.
Builder Andy Clynes, 54, found them in 1999 as he converted a mill into a wine bar near Manchester.
He put the sketches in his loft but recently decided to get them valued. They will be auctioned on 24 March.
Sir Paul played the psychedelic piano in The Beatles' 1967 Magical Mystery Tour film.
