PosterMay 1 Rally, Music, People. 16 1/4 x 11 inches; Original 1970's poster,horizontal fold, minor wear. New Haven, 1 May  A poster for an event at the center of the New Haven May Day protests in 1970. The trial of Bobby Seale, Ericka Huggins and others was underway, and thousands of Panther supporters crowded into New Haven for a rally and concert. The poster seems to be a Photocopy process of the 1970's and promises appearances by Panther leaders Dave Hillard and Artie Seale (Bobby's wife) as well as author Jean Genet, rock band Santana, and more. None others traced.