Mike Oldfield donated the money from the guitar 's auction to the charity Sane .
The guitar was unsold at auction by Bonhams in 2007 , 2008 and 2009 at estimated values of , respectively , ï¿½25,000ï¿½35,000 , ï¿½10,000ï¿½15,000 and ï¿½8,000ï¿½12,000 ; Oldfield has since sold it and donated the money received to the charity SANE . ;