The Psychedelic Art Exchange is launching an online auction featuring rare concert posters from the likes of Grateful Dead, Chuck Berry, The Doors, Velvet Underground, Cream and more, totaling over 200 posters.

All posters have been independently graded and authenticated by the CGC and all will start at $100 or less. This marks the very first auction where every concert poster has been independently authenticated as the CGC forays into grading vintage concert posters.

Bidding is now live and will end on April 9 at 9 PM ET. Enter your bid here.