Ca.1970's Leupold Scopes & Mounts Catalog,8-1/2" x 5-3/8" with 23 numbered pages.There are 4 models of Vari-X III(including 3.5 x 10 with adjustable objective),4 models of Vari-X II and 13 models of M8 scopes.There is a Spec chart,Reticle Subtensions chartand STD mounts with application chart. Excellent Condition with 2 holes for mounting in a binder