1971 Colt Catalog for the reproduction 1851 Colt Navy Revolver.It measures 8-1/2" x 11" with 4 pages.The revolvers are Blue/Ulysses S. Grant and Gray/Robert E. Lee cased commemoratives.The code on the back cover is "Form No. CPC-1001-4/71".It is printed on light card stock. Very Good+ with some bumps and creases form being loose in a drawer