It’s the Grateful Dead’s 60th anniversary, and a piece of genuine psychedelic history just surfaced from that era of counterculture fog in San Francisco.

His advertisements have become coveted works of art. The psychedelic concert poster, with bubbled, flowing lettering and lava lamp colors, was invented by the man behind that now classic “Flames ...

From psychedelic concert posters commissioned by the legendary promoter Bill Graham for his shows at the Fillmore Auditorium to objects d'art featuring Elvis, a selection of rock and pop inspired art ...

Heritage, the largest seller of concert posters in the world, writes, “In conclusion, the phrase ‘a piece of rock 'n' roll history’ gets tremendously overused in today's collectors' world ...