H.E.M.P Pins, 1971 Posted onJune 10, 2018August 24, 2018AuthorCannalore A man sells pins for H.E.M.P (help end marijuana prohibition) supporting the legalization of marijuana on a New York City street. New York 1971. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related