Undated
silver
Seen on objects dated (registered c1886).
silver
Atlantic Works, St Philip's Road, Sheffield
Silver
5 marks.
Undated
Seen on objects dated (registered c1886).
silver
Atlantic Works, St Philip's Road, Sheffield

Undated
This Sheffield hallmark dates to about 1907.
Sheffield
into three octagons Brookes & Crookes - John Brookes & Thomas Crookes Atlantic Works, St Philip's Road, 1907 (possibly) hallmark
Undated
Seen on objects dated (registered Jun 1900).
silver
Atlantic Works, St Philip's Road, Sheffield
Undated
Seen on objects dated 1883–1884.
silver
Atlantic Works, St Philip's Road, Sheffield An earlier incuse mark registered Nov 1864
Undated
Seen on objects dated 1890–1938 (registered Dec 1893).
silver
Atlantic Works, St Philip's Road, Sheffield An earlier incuse mark registered Nov 1864
Brookes & Crookes, John Brookes and Thomas Crookes, was at Atlantic Works, St Philip's Road, Sheffield.