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Marks in CommonNotes on the signs we share, struck at the bench
The assay office's reading room: long oak tables, bound volumes of the official journal, a brass lamp and a tray of seal punches

A journal kept at the assay bench

The Kitemark and the bent rail

In 1903 the body that became Britain's standards institution registered a kite-shaped mark first used on tramway rails. It is among the oldest product quality marks still in regular use.

A reader's journal on the marks a community shares: collective marks, certification seals, appellations of origin and the story of Europe's old Community Trade Mark, assayed piece by piece against the public record.

· 4 min · The seal

Read the latest assayThe four punches

The bench before opening hour, punches already laid out Photograph: June Halloran

latest

Struck this season

16 pieces
An assay office workbench with steel hallmark punches, a small anvil and silver spoons waiting to be struck

The seal

The hallmark row

Why the oldest living certification mark is struck with a punch, not printed.

A bolt of wool fabric with a paper tag bearing a skein-like symbol, tailor's chalk and shears beside it

The seal

The Woolmark story

How the modern certification mark was invented: a levy, a competition and a symbol.

The punches

The four punches

The bench keeps four punches, busiest first.

The tray empties

The rest of the pieces

Every piece on the tray, latest struck first.

The bench by letter

The bench by letter

  1. C
  2. H
  3. O
  4. T
  5. W

From other benches

Sources elsewhere

A short list of other sites our editors find useful or instructive.