Isaac Ellis & SonsMaker name
Undated
shield
Seen on objects dated 1897–1913 (registered 1897).
silver
Shape of varies Primus Works, Bridge Street, Sheffield
Silver
2 marks.
Undated
Seen on objects dated 1897–1913 (registered 1897).
silver
Shape of varies Primus Works, Bridge Street, Sheffield

Undated
Illustrated Sheffield 1899 hallmark.
Sheffield
over &S into a shield Isaac Ellis & Sons , Primus Works, Bridge Street, entered 1897 1899 hallmark
Primus Works, Bridge Street, Sheffield entered 1897