1952 Lyman Metallic Sights brochure,3-1/2" x 6-1/8" closed and opens to 14" x 12-1/4" CONTENT: The cover and first fold open are shown.There are front sights,tang sights,receiver sights,middle sights and shotgun sights.When fully open the 48 Series Micrometer & 57 Series Micrometer receiver sights are featured.There are 21 sights pictured.The code on the back page is "Form MSF 15M 6-52". Excellent Condition