It is hallmarked for sterling silver, London, 1902, and maker Henry Wilkinson & Co. Ltd., which firm is identified in Jackson' Hallmarks as an "important manufacturer."
It has applied, lined banding on the top and bottom edges and is otherwise plain, and has never been monogrammed or inscribed.
Comfortable in the hand, this remains in very good condition...
It is an unusual piece in several regards.
First is the above noted fact that, as a special order, it is essentially one of a kind, or few at most...