It’s straightforward when you apply the rules. Anchor for Birmingham, lion passant for sterling silver, date letter E for the assay year 1929/30. Note that date letters may look similar but you need to take into account letter styles and punch shapes. The maker’s (or sponsor’s) mark is CSG over &Co for C S Green & Co.
Phil
CSG over &Co into a shield
Charles S Green & Co ,
Birmingham 1957 hallmark
Business established in 1905 by Charles S. Green, son and brother of the managers of Charles Green & Son. He was assisted in the business by his wife Winifred, a talented artist who designed all the firm’s early patterns. The firm moved in 1907 to Cogent Works, 54 St.Paul’s Square and in 1982 to a new factory at Lionel Street, Birmingham
