1982 Zeiss C-Series Riflescopes catalog with the code "50M: 1/82" on the back page.It measures 8-1/2" x 11" with 12 pages.The first 6 pages speak to Zeiss optics in general followed by a 2 page presentation of Zeiss C-Series scopes 4x,6x,3-9x and 10x.That is folowed by 2 pages with Zeiss Binoculars and Sporting Glasses and the last page is specs for the C-Series scopes.Also included is a 2 page Retail Price list dated "Effective May 9,1983" which was in the catalog when I acquired it. Excellent condition with the dealer stamp on the cover and there is a tri-fold page which has a 3/4" split at the bottom of the fold.