C.DISSTON PHILAD'A Bone Saw Knife Surgical Amputation

Early tool in very good condition. Handle is good+; tight to the blade, no splits or cracks, Blade is good, will clean better; Would have had C. DISSTON in an arch over the PHILAD'A. Has a good look to it, more like a sword .

Brothers Henry and Charles had a partnership: Butcher Saw and Trowel 1865-1895. Does C. Disston predate that partnership? Vol.4 of Civil War Collectors Encyclopedia has it as an Amputation Knife; Disston's Saw In History has it as a Bone and Meat Cutting Saw, also as a Subcutaneous Saw;

Measures 17" long with a 12" blade