Lot of 16 items with 10x12” manila envelope. Envelope has Rollfast Co. address and Aug. 27, 1951 postmark. Contains 8.5x11” sheets including 2 bw sheets, each with red/yellow accent color with 2 sides on each. Both promote Hopalong Cassidy bicycle items including boys’ and girls’ bikes and models Super Deluxe Cowboy Model (which has attached holsters with cap guns and fringe on rear seat), play cycle (which has cap gun and holster attached) and Velocipede as well as Hoppy saddlebag. First sheet has nice photo of William Boyd as Hopalong Cassidy on Topper and all 10 have his name on vehicle. Next 12 sheets are bw with nice photo of celebrities with bikes including Alan Ladd, William Holden, Betty Hutton, Jerry Lewis, Mario Lanza, Phil Rizzuto in uniform in Yankee Stadium, Bob Hope, John Lund, Giants picther Larry Jansen, Jean Tierney, Al Schacht "Clown Prince of Baseball" and Mona Freeman. Comes with bw sheet with red/yellow accent color promoting Rollfast roller skates as well as yellow accent printed cover letter. Mailer has lt. handling wear but contents are Exc. Rare promo kit.