This Pickett slide rule model N803-T comes with a high-quality leather case. It is a vintage collectible from the Science & Medicine era of the 1930s and is a great addition to any engineering enthusiast's collection. The slide rule is in excellent working condition and has been well-maintained over the years. The rule has all of its original parts and markings, making it a valuable piece for collectors. The leather case is in good condition and has kept the rule protected from any damage. This Pickett slide rule N803-T is a must-have for anyone interested in vintage engineering instruments.