Vintage Seam Binding by Buser NOS 9feet Made In USA

Two rolls of seam binding vintage new old stock. Buser brand. Made in USA As near as I can tell they are unused. Original straight pin to hold start end in place. Slight unraveling on one roll, unable to tell if any has been used. Looks as full as the other roll. I have not unrolled it, nor do I want to. The cardboard holders are intact. Slight damage on both in the center. Visible in the photos. Will be shipped in a box to avoid crushing that may happen if shipped in a padded envelope. Please message me if you have any questions