This Rolleinar 2 for the Rolleiflex bayonet 3 cameras is in the best possible shape. It comes in the original leather case.
Among other cameras this is suitable for the Rolleiflex 2.8F, 2.8E and 2.8GX. Here seen on a Rolleiflex 2.8F. The camera is not included.
You can use the last picture to determine the bayonet size for your camera.