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.

An Antiques Roadshow guest burst into tears after she was told the appraised value of her dead brother's 1960s Rock & Roll posters. The guest had presented 47 posters collected by her brother ...

The Grateful Dead LP Art A piece of Grateful Dead history is up for grabs. Available for bid on Heritage Auctions is a primitive hand-drawn poster that ...

A poster from the Rolling Stones show is also up for auction in the same lot. For more on this extremely unique piece of rock and roll history ... We’d gone to the Acid Test to hear the Grateful Dead, ...