Undated
silver
Seen on objects dated 1900–1913 (registered Jun 1900).
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London
Silver
7 marks.
Undated
Seen on objects dated 1900–1913 (registered Jun 1900).
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London
Undated
Seen on objects dated 1902–1986.
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London
Undated
Seen on objects dated 1916–1946.
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London

Undated
Illustrated Sheffield 1892 hallmark.
Sheffield
over J.W.C. into a shield Cooper Brothers , 1892 hallmark
Undated
Seen on objects dated 1968–1985.
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London

Undated
Illustrated Sheffield 1892 hallmark.
Sheffield
over J.W.C. into a shield Cooper Brothers , 1892 hallmark
Undated
Seen on objects dated 1925.
silver
Don Plate Works, Arundel Street, Sheffield & Holborn Viaduct, London
Also known as: Cooper Brothers & Sons Ltd