Four psychedelic Bill Graham and Family Dog concert posters.Potter & Potter Auctions4.6(609)$50(1 bid)Mar 26, 2026
![[CONCERT POSTERS]. Group of 7 psychedelic posters. (1 of 8)](https://p1.liveauctioneers.com/928/408799/227154559_1_x.jpg?height=282&quality=70&sharpen=true&version=1772647589)