Original 6&5/8x9&3/4" handbill flyer for "regulation or Prohibition: Psychedelics in the 1990's," A Benefit for the Multidisciplinary Association for Psychedelic Studies (MAPS) on 2/24/1990.  Presenters Included Ram Dass, Rick Doblin, Bruce Eisner, Laura Huxley (wife of Aldus,) Emerson Jackson, Dr. Mark Kleiman, DR. Timothy Leary, Terence McKenna, Ralph Metzner, Dr. Andrew Web, and Robert Zanger.  
 
Music by New Riders of The Purple Sage
 
Produced by Sound Photosynthesis.
 
The handbill is in excellent A/A- condition.