Poster shows the Spanish Communist Party flag in red, black, and gray with a hammer and sickle on the flag's top left. The image of "Arenas" (from the shoulders up) is at the lower right of the poster and is partially superimposed on the flag. Photo caption: Manuel Pérez Martínez (Arenas), Secretario General del PCE(r). Poster is calling for the release of the political prisoner and politician called "Arenas." Ink is red, black, and gray.