A 1393 Keufeel and Esser MOdel N5116Pc, serial number 70369 Architects level that is in excellent condition. All knobs work, it focuses excellently, the finish is perfect and the brass is slightly tarnished. It is in perfect functioning order and it comes with the matching tripod. It includes all equipment, including the original plumb bob, operating manual, and keys and pins. The box is in very good condition, with the biggest defect being the leather starp as rotted away.