From the event website:
Join us for a magical bike parade celebrating Albert Hoffman’s historic bicycle ride in 1943!
Who: YOU! In your gorgeously awesome attire!
When: April 19th, 2014 @ 1PM
Where: We’ll begin at Hippie Hill in Golden Gate Park, San Francisco
Why: Because we love FUN. And Bikes. And riding bikes. And, well, because BICYCLE day.
Commemorative Prints Available by Michael Divine 13″ x 19″ with 1″ white border Limited Edition of 25 Signed and numbered by the artist Printed on Arches archival paper $99 Profits support MAPS.org.