Z.m.P. map grid pouch made by Franz Kuhlmann, WIlhelmshaven

Textbook empty map grid set or Z.m.P. (Zielgeviertafel mit Planzeiger) pouch in excellent condition. The pouch is nicely marked Z.m.P. and features a manufactures logo which indicates production by Franz Kuhlamann, Wilhelmshaven. Excellent empty Z.m.P. pouch which are becoming harder to find, even without any contents!