Voter registration non-profit HeadCount is celebrating the holiday season with a special charity auction, giving music fans the chance to big on one-of-a-kind items.

Highlights include an AJ Masthay “U.S. Blues” posted signed by Bob Weir and all three colors of the highly-coveted Grateful Dead Nike collaboration, from earlier this year.

Additionally fans can bid on a Prince Sign O’ The Times box set, a LOCKN’ drumhead autographed by Trey Anastasio, Susan Tedeschi and Derek Trucks, and lots of rare vinyl.

The auction closes on Wednesday, so get your bids in now.

Click here to check out the full list of goods.

Visit HeadCount.org for more information.