This May,1977 Ruger Red Label folder is the Introduction advertising piece for the shotgun.The cover is card stock which measures 8-1/2" x 11" with the 4 page Introduction folder inside.It fully describes the Red Label 20 gauge shotgun with pictures,specs and cut-a-way view.Ruger would often list an approximate price of the guns when these Introduction folders where made available,this one has No Price listed. Excellent condition with 3 holes for mounting in a binder(it came from a Ruger Sales Rep)