The image shows the back of a cello displayed in a glass case. The cello is made of wood and has a dark brown finish. The body of the cello has a curved shape with a pointed end and a curved neck. The headstock is visible at the top of the image, with the bow resting on it. The neck is curved and has two strings attached to it. There is a small bow holder at the bottom of the neck, which is used to hold the bow in place while playing the instrument. The background is a gray wall, and there is another cello visible on the left side of the case.