This pipe has seen a lot of use. It is in its original case Wien Meerschaum. The case is rather damaged.
Info from Wiki: Meerschaum is composed of the fossilized shells of ancient sea life that collected and compressed over millions of years. Meerschaum has been used for pipe making since the early 1700s and instantly replaced clay pipes as the favorite smoking implement of the day.
Please look at the pictures carefully and dont hesitate to ask any questions.