The image is a vintage medical illustration of a human organ, likely a diseased or abnormal liver. It's rendered in a detailed, hand-drawn style with a reddish-brown hue. The organ is irregularly shaped, with a bumpy, textured surface. It appears to be a solid mass with a somewhat lobular structure. There's a darker, circular area near the bottom, possibly indicating a blood vessel or a point of attachment. The illustration is set against a plain, off-white background. A small number '310' is visible in the upper right corner, and the signature 'May 1801' is in the lower left corner. The style suggests it's an anatomical drawing from a historical medical text.