Escrow.com is selling an autographed bass guitar signed by all three members of Rush with all proceeds going to benefit The Fender Music Foundation charity. The black Fender Geddy Lee Jazz Bass is listed for sale on Reverb.com through January 28th, and you can buy it immediately for $15,000 or make your best offer. The bass will also be on display at the Fender Music Foundation table at this weekend's NAMM Show in Anaheim.