The image shows a historical sketch of a star-shaped fortification. The drawing is done in a delicate, fine-lined style, likely with pen and ink. The fortification has multiple pointed bastions extending outwards, creating a complex geometric pattern. The lines are somewhat faded and aged, suggesting the drawing is old. There's a small decorative cartouche in the upper left corner, and some faint text below the fortification. The background is a beige, aged paper, with a vertical crease running down the center. The drawing appears to be a technical illustration or a map, possibly from a historical military context. In the bottom right corner, there is a handwritten '97'.