The image is a vintage illustration depicting a sequence of a person performing a one and a half somersault forward dive into water. The illustration shows the diver in multiple stages of the dive, starting from standing on a platform, then launching into the air, rotating in a somersault, and finally entering the water headfirst. The diver is depicted as a simple, stylized figure, and the water is represented by a wavy line at the bottom of the image. The illustration is labeled '11. One and a half somersault forwards.'