Brno Mod.ZKM581 brochure,3-5/8"mx 7-1/4" closed and opens to 10-7/8" x 7-1/4".It is a tri-fold with 6 pages.The cover and 3 inside pages are shown.One of the other pages has the guns specs listed.No date or code. Very Good Condition with holes for mounting in a binder and some light wrinkles