A leather and iron bayonet scabbard cut down for a knife sheath from the 1845 British Northwest Passage Expedition led by Sir John Franklin. A sheath with a brass chape at the end. The leather has two slits on the side to attach it to a belt and the top has splits cut into the leather in four places. It is one of several bayonet scabbards cut down to make knife sheaths found by McClintock.

The knife sheath was found at the boat site in Erebus Bay by Captain F. L. McClintock's sledge team on 30 May 1859, as part of the search expedition led by McClintock The site had been visited and partially investigated by Lt. William Hobson on 24 May but his report does not list everything he saw or removed. McClintock records ’a bayonet scabbard altered into a sheath for a knife'. [McClintock, Voyage of the Fox (1859), page 366].

The sheath was displayed at the Royal Naval Museum, Greenwich, Case 2, No. 13. 'Part of a scabbard'. The item is shown in - 'Stereoscopic slides of the relics of Sir John Franklin's Expedition' photographed by Lieutenant Cheyne RN, at the United Services Museum, Whitehall, No. 7 (top, left corner with its own label 'Part of a scabbard').