Multi-color poster on white paper has a red, yellow, and black striped page border and an overall purple background. A photograph of John Sinclair, a man with long curly hair wearing round glasses and smoking a cigarette, is visible at center. Text at top reads, "Free John Sinclair and All Political Prisoners! / John Sinclair Freedom Rally." Orange logos printed with "Nation" appear at top right and left. A graphic of a green marijuana leaf and the date of Friday, Dec 10, 1971 are printed at center right and left. A list of speakers and musical performers are listed in blue font on the lower third of the page. "Crisler Arena" [Ann Arbor, Michigan] is printed in large yellow font at bottom center above "Ann Arbor" in small black font.