An invoice dated 2nd May 1916 from Harrison Fisher & Co. of the Trafalgar Works, Sheffield, to a Mr. E. Howell, for ½ Dozen Dessert-knives at a cost of 6s.-6d.:

Harrison Fisher & Co. - Sheffield - 1916
The invoice notes the partners in Harrison Fisher & Co. as E.V. Fisher and S. Lawton. Their London show-rooms as 23, Hatton Garden, and that they are contractors to the War Office and the Admiralty.
Trev.