Most of the Jackson (a Disston brand) back saws that I see are the open handle dovetail type saws. This closed handle tenon saw is a lot more scarce. This one has a shapely handle in the Disston form, with graceful horns that have no damage. The blade is dead straight with a 12” edge length and steel spine. There is a slight tilt to the blade which has 2 ¼ under the spine at the to, and 2 ½” at the heel. The filing is about 13 ppi, cross cut. It could use sharpening, but will cut “as is.” There are two brass saw screws with slotted nuts, including a “Warranted Superior” medallion having a fairly elaborate eagle. The spine is stamped, “Jackson” in an arc, with “Warranted Cast Steel” on either side of the largest “USA” stamp that I’ve seen on a back saw. Good+.