Blue, red, yellow and green poster with white blocks and black lettering. Black and white artwork of four hand gestures. CGT poster. CGT, Confédération Générale du Travail (French Labor Union).
Blue, red, yellow and green poster with white blocks and black lettering. Black and white artwork of four hand gestures. CGT poster. CGT, Confédération Générale du Travail (French Labor Union).