1971 Colt MK IV/Series '70 Government Model 9mm Instructions,8" x 11" with 4 pages.There are specs,exploded view with parts list,description and instructions.The date on the back cover is " FORM A 1662-71 REV.".Folded in the center with crease which is thinning. Very Good+ Condition with smudges on the cover and 1/2" separation at the center fold right edge