The Sheffield Assay Office was established in 1773. Sheffield used a crown for silver from 1773 to 1973; the rose later became the office mark for both silver and gold.

Dating note: UK date letters were standardised across assay offices from 1975. Date marking became voluntary in 1999, so a modern piece may have no date letter.

Sheffield date letters, 1773–1847

Sheffield silver date letters 1773–1847 hallmark chart

Sheffield date letters, 1848–1931

Sheffield silver date letters 1848–1931 hallmark chart

Sheffield date letters, 1932–2001

Sheffield silver date letters 1932–2001 hallmark chart

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