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1958 Gibson Explorer

Notable owner: Eric Clapton
Estimated value: $500,000

The guitar Clapton trotted out to play “Rita” and “Have You Ever Loved a Woman” at the Royal Albert Hall in London on September 21, 1983, is one of only 19 experimental Explorer models Gibson released in 1958. Clapton bought the angular instrument from a fan in Austin, Texas not long before he made it famous onstage that night. In 1999 the guitar sold to an unknown buyer for $120,000 at auction at Christie’s, part of a nearly $5 million sale of Clapton guitars and equipment. These days, experts say, the Explorer would fetch four times that.

Gijsbert Hanekroot| Redferns | Getty Images