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 ...

A poster from that first concert, drawn in crayon and reading, "Can you pass the Acid Test?” will sell at auction via Heritage this month. The story of how the early poster survived 60 years is ...

There is lots of competition for people’s attention, so your poster needs to be eye-catching. These youngsters are having a concert, and they need a poster to help promote their gig. Let’s ...