Greetings, This saw came in a tool box with a dozen other late 19th and 20th century panel saws. The specs: Overall length: 21" Width at the toe: 4 -1/4" Width at the heel: 4-1/8" Plate length: 16-1/4" Plate at toe: 3-7/16" Plate at heel: 3-1/4" Back: 7/8" X 16" 11 PPI The back has "Cast Steel" and another marking in an arc I can't make out. Any ideas as to age and maker? =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVdh9CIj4pw2I_-2rcGuN4KlVZCCC6FHKpYMweqAPADKbag0QPLxSfWDdJOLwgnqr18Bd8tBo69jccQKviH30ue3pUHUk8kCu5C6DeWp-Iv-RTTp8AEq-yRZ9lGThgUnQbE0mDdrGlMEFlC8hSq9oY&__tn__=*bH-R'] =AZXVvim9qB9tROxpjKhcez6ngszby4gyQkICOIpTUw_6-HEg8c8_CbyBAyBml1Ur98YTdz8q5Le71fJPaRmhfUVAPE9l-LFFspTPGWqAdYIJ-UfvUg9CDOaVyYf1Iw1epyUAHgpenQFmzOQAVmZW0yHM&__tn__=%3C%3C%2CP-R'] =AZXVvim9qB9tROxpjKhcez6ngszby4gyQkICOIpTUw_6-HEg8c8_CbyBAyBml1Ur98YTdz8q5Le71fJPaRmhfUVAPE9l-LFFspTPGWqAdYIJ-UfvUg9CDOaVyYf1Iw1epyUAHgpenQFmzOQAVmZW0yHM&__tn__=%3C%3C%2CP-R']Active