The 23rd annual Festival of Rock Posters from The Rock Poster Society (TRPS) at the Hall of Flowers in Golden Gate Park: the big vintage rock-poster dealers alongside 40 poster artists, from 1960s originators like Victor Moscoso, Stanley Mouse and Lee Conklin to today's silkscreen printers. It's also the grand finale of the Haight Street Art Center's Forever Grateful project. Tickets: $50 10–11am, $30 11am–3pm ($20 for TRPS members 10am–3pm), free for everyone 3–6pm. This year's poster is by Owen Murphy.

Artists: Dan Black, Lee Conklin, David D'Andrea, Danny Evans, Carolyn Ferris, Drew Findley, Alexandra Fischer, Chris Gallen, Richie Goodtimes, Gregg Gordon, Christopher Gray, Mark Heija, Justin Helton, Gary Houston, Alan Hynes, Dave Kloc, Lindsey Kuhn, Matt Leunig, Caitlin Mattisson, Jim Mazza, Fez Moreno, Victor Moscoso, Stanley Mouse, Munk One, Owen Murphy, Norman Orr, Daryll Peirce, Jermaine Rogers, Savage Pencil, Andrew Sax, Raf Schnepf, John Seabury, Chris Shaw, Chuck Sperry, Marq Spusta, Randy Tuten, Mark Dean Veca, Mishka Westell, N.C. Winters, Ninomiya "Nino" Yasunori.