
Undated
JBC &S Ld
Source captions mention Birmingham 1970, London 1935 and Sheffield 1969 hallmarks.
Birmingham
Source attributes the mark to JB Chatterley & Sons Ltd.

Undated
Source captions mention Birmingham 1970, London 1935 and Sheffield 1969 hallmarks.
Birmingham
Source attributes the mark to JB Chatterley & Sons Ltd.