HeadCount is auctioning off a collection of Grain Audio speakers signed by artists like Robert Plant, Jeff Tweedy, The Disco Biscuits, The String Cheese Incident, Umphrey’s McGee and Tedeschi Trucks Band as a part of the organization’s holiday auction.

In addition, the non-profit is also offering up merch from Fare Thee Well including a Chicago lithograph signed by all members of the band as well as signed limited edition postcards along with a special Jay Blakesberg signed by the core four and the renowned rock photographer.

Other items include a signed Phish poster from the band’s 2011 New Year’s run as well as signed items from Pearl Jam, Dave Matthews Band, Death Cab for Cutie and more.

To see the full listing, click here.