Pennyweight.

London hallmark date letter “Y”: which year?

Short answer

The letter Y on a London hallmark can be any of these years, depending on its case and typeface: 1998 (uppercase roman, unified cycle); 2023 (lowercase roman, unified cycle).

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

Candidates for Y at London

YearsLetter styleCycleNote
1998uppercase romanAll UK offices, from 1975
2023lowercase 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 Y at other offices: Birmingham, Sheffield, Edinburgh, Chester, Glasgow.

All London cycles

Frequently asked

What year is the letter Y on a London hallmark?

It depends on the shape of the letter: 1998 (uppercase roman, unified cycle); 2023 (lowercase roman, unified cycle).

Sources

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