A 1960's Colt SAA instructions manual which measures 3-3/4" x 9-1/8" with 8 fold-out pages CONTENT: It has loading,firing and care instructions with an exploded view of the gun and parts/price listing.The calibers listed are .38 Special and .45 Colt.the code on the back cover is "Form SA-100".There is a serial number and the date "1-8-66" written lightly in pencil on the inside. Excellent condition