1974 Smith and Wesson Model 12 Airweight 38 Military & Police Revolver instruction manual.It measures 7" x 11" with 4 pages.It is dated "01-1274-51" on the back cover page. There is an insert page which is a copy of the Parts List page of the manual but the insert has the parts prices listed. Excellent condition with creases where folded to fit an envelope or box