Vintage Scotch 150 Magnetic Recording Tape 225 Ft 3” Reel 3M Living Letters Vintage Scotch Brand 150 Magnetic Recording Tape by 3M. * Model 150 * 225 feet of 1 mil polyester tape * 3-inch reel * Originally intended for “Living Letters” use * Magnetic Products Division, 3M Company * Made in USA * Includes original mailing-style box shown in photos * Box shows age-related wear, discoloration, edge wear, and old label residue * Untested; sold as a vintage collectible/audio recording item * Please review all photos for condition details