This is an original Photofact Folder for the General Electric Models 577, 578 Photofact Folder. Howard W. Sams & Co., Inc.  Date 5-55,  Set 278 Folder 4, 4 total pages(front and back is 2 pages)  We will be listing a lot more of these type items. Most of the things we will be listing come from Antique estate sales and personal collections. We check items over completely for any damage and will state clearly if there is any damage. Will combine shipping if safe to do so. Thank you for looking and check out our other listings. The items we sell are used or new old stock and come from different places. We reuse shipping boxes and materials sometimes. Thank You!