1959 Ruger Mark 1 Target Model & Standard Model instruction manual which measures 5-1/2" x 8-1/2" with 6 pages/panels CONTENT: Complete instructions with illustrations.It is dated "Revised October 1,1952" and the code on the front cover lower left corner is "RP-10M-10/59". Excellent condition with light soiling on the covers and some wrinkles