Identification guide
Silver date letters
In silver date letters, london’s leopard head, Birmingham’s anchor, Sheffield’s rose or earlier crown and Edinburgh’s castle identify the office.
Choose the office before the year
London’s leopard head, Birmingham’s anchor, Sheffield’s rose or earlier crown and Edinburgh’s castle identify the office. Before 1975 their year sequences differ. Since 1975 these four UK offices share letters changing on 1 January.
Shared UK date-letter examples
| Letter | Year |
|---|---|
| A | 1975 |
| Z | 1999 |
| a | 2000 |
| z | 2024 |
| A | 2025 |
What to check next
Uppercase A is 1975 in one modern cycle and 2025 in the next; lowercase a is 2000. Match the shield and typeface as well as case. UK date letters became optional in 1999, so an otherwise complete modern hallmark can omit one.
