Solidarity
According to the National Museum of African American History & Culture, this poster was made in 1969 by the Black Panther Party’s Minister of Culture, Emory Douglas.
The colors in the version with the full poster appeared to be desaturated, so I took the colors from this version.
Here’s a comparison of the vectorized version of it I made (which you can download here) and the original image (which you can download here):