Graham Nash is following David Gilmour's lead by auctioning a large number of his guitars. A Heritage Auctions memorabilia auction on July 20th will feature 19 guitars, among them ones once owned or played by his band mate Stephen Stills, Bo Diddley, Johnny Cash.

Highlights of the axes going up for bids are the 1961 Cherry Red Gibson SG Duane Allman played during hundreds of Allman Brothers Band concerts and the Martin D-45 guitar Stills played during the Crosby, Stills, Nash & Young set at Woodstock.
(Photo of Duane's SG: Heritage Auctions)