Only 50 posters were made artist Tina Silverman, for May 1969 show featuring Led Zeppelin and The Who, at Merriweather Post Pavilion. (Courtesy Weschler's) To put the event in context, tickets ...

Photographer Jorgen Angel documented Led Zeppelin's first concert ... I saw a handwritten poster, stating, 'The New Yardbirds'. Then I knew something was wrong. "Imagine that you had bought ...