1937 Lyman Sights Brochure,3-1/4" x 6-1/4" and opens to 19-7/8" x 6-1/4" with 12 pages/panels. CONTENT: There are 6 tang sights,the No.6 folding leaf,9 front sights and 11 receiver sights listed.The cover and 2 pages are shown.The code on the back cover is "Form MS-5M-5-37". Excellent Condition with a Dealers Stamp at the top of the back cover