Undated
silver
Seen on objects dated 1933–1939.
silver
Watchmakers & jewellers, Linthorpe Road, Middlesbrough; also Stockton, Darlington & Hartlepool
Silver
4 marks.
Undated
Seen on objects dated 1933–1939.
silver
Watchmakers & jewellers, Linthorpe Road, Middlesbrough; also Stockton, Darlington & Hartlepool

Undated
Illustrated London 1928 hallmark.
London
into three conjoined circles Collingwood & Co , 46 Conduit Street-Bond Street, Founded by Joseph Kitching in 1817 became Collingwood & Son, then Collingwood & Co (1876), Collingwood Ltd (1924) 1928 hallmark

Undated
Illustrated London 1963 hallmark.
London
into a chamfered indented rectangle Collingwood & Co entered 1912 1963 hallmark

Undated
Illustrated London 1928 hallmark.
London
into three conjoined circles Collingwood & Co , 46 Conduit Street-Bond Street, Founded by Joseph Kitching in 1817 became Collingwood & Son, then Collingwood & Co (1876), Collingwood Ltd (1924) 1928 hallmark
46 Conduit Street-Bond Street, London Founded by Joseph Kitching in 1817 became Collingwood & Son, then Collingwood & Co (1876), Collingwood Ltd (1924)
Also known as: Collingwood & Sons Ltd