Pennyweight.

Sheffield hallmark date letter “T”: which year?

Short answer

The letter T on a Sheffield hallmark can be any of these years, depending on its case and typeface: 1816–1817 (uppercase roman); 1839–1840 (lowercase roman); 1861–1862 (uppercase roman); 1886–1887 (uppercase sans-serif); 1911–1912 (lowercase gothic); 1936–1937 (lowercase roman); 1961–1962 (uppercase roman); 1993 (uppercase roman, unified cycle); 2018 (lowercase roman, unified cycle).

Before 1975 the letter changes in July, so most letters span two calendar years. Compare the case and typeface with the table; the letter alone does not settle it.

Candidates for T at Sheffield

YearsLetter styleCycleNote
1816–1817uppercase romanSheffield cycleArbitrary order.
1839–1840lowercase romanSheffield cycle
1861–1862uppercase romanSheffield cycle
1886–1887uppercase sans-serifSheffield cycle
1911–1912lowercase gothicSheffield cycle
1936–1937lowercase romanSheffield cycle
1961–1962uppercase romanSheffield cycle
1993uppercase romanAll UK offices, from 1975
2018lowercase romanAll UK offices, from 1975

Narrowing it down

Other marks and features on the piece can rule candidates out: see dating jewelry by construction features and the other UK hallmarks.

The letter T at other offices: London, Birmingham, Edinburgh, Chester, Glasgow.

All Sheffield cycles

Frequently asked

What year is the letter T on a Sheffield hallmark?

It depends on the shape of the letter: 1816–1817 (uppercase roman); 1839–1840 (lowercase roman); 1861–1862 (uppercase roman); 1886–1887 (uppercase sans-serif); 1911–1912 (lowercase gothic); 1936–1937 (lowercase roman); 1961–1962 (uppercase roman); 1993 (uppercase roman, unified cycle); 2018 (lowercase roman, unified cycle).

Sources

All sources are listed with the method on the sources page.