Circa-1950's Kahles scope catalog which measures 8-1/4" x 5-3/4" with 15 numbered pages CONTENT: The cover and 6 pages are shown.It features 5 models of scopes with 8 choices of crosshairs.There is ALSO a 4 page insert which features the Helia-26 and Helia-39 variable power scopes.There is no date on the catalog.All the text is in German. Excellent condition with a couple marks on the back cover