This medical artifact is a late 19^th century surgical instrument wood case made in England. Case measures 17¾” long x 6 ¾” x 3¼” high and is made of light wood, possibly sap wood. No medical instruments accompany this box which has a brass, piano-hinged and wears a pleasing, mellow patina overall. Centered on the lid exterior surface is a brass shield device inlaid and inscribed with “INTRUMENTS / OPERATION”. Interior of box features a pull out wood shelf and a base with the maker’s name “DOWN BROS. MAKERS.” Inner lid is missing the velvet fabric covering. Box is lockable but the key is missing.  Does have a small brass pin and a brass clip inlet on each side of the wood box.