The Shivers hitmaker donated it to be raffled by Suffolk-based charity GeeWizz, with the money raised to go towards a music pod and disabled access facilities at a school in Framlingham.
"Dear Eric Clapton, can you take a day off being a d***? Thank you. Your old fans," author Don Winslow said.
It comes as The Society of Musicians told a parliamentary inquiry that UK’s music industry is “in grave jeopardy because of Brexit”, and 42 per cent of its touring musicians would consider quitting the UK to save their careers.
Jonny Greenwood, Little Simz and King Krule steal the show at the UK's best independent festival
"If the world was just made of people like Dave Grohl it would be absolutely perfect," said one Twitter user.
“This is how you do #reparations,” playwright Bonnie Greer tweeted.
"If British bands cannot make a profit in Europe, there is no plan B. There is no alternative."
'Funnily enough, I will not attend shows where Eric Clapton is required,' one Twitter user said.
"Would that be the same Noel Gallagher who left Oasis because his brother broke his guitar? Awww, bless."