A Martin 000-28 EC Eric Clapton signature model acoustic guitar is displayed at Bonhams auction rooms in London, Thursday, Dec. 8, 2011. The guitar, used by Clapton to record his 'Change the World' ... more 
A Martin 000-28 EC Eric Clapton signature model acoustic guitar is displayed at Bonhams auction rooms in London, Thursday, Dec. 8, 2011. The guitar, used by Clapton to record his 'Change the World' and 'Pilgrim' albums is estimated to realize 20,000-30,000 pounds ($31,500-$47,000/23,320-35,000 euro) and will be auctioned on Dec. 15 in the Entertainment Memorabilia auction. (AP Photo/Kirsty Wigglesworth) less 
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Associated Press | Photo By Kirsty Wigglesworth
Thu, Dec 8, 2011 9:24 AM EST