Real ChatGPT answer · index seedLGUsZMZHzLMcompleteRetail and ecommerce · jewelry and watchesbrand

What do British hallmarks on antique silver jewelry actually mean and how can I look up the maker marks online to find the exact decade it was produced.

ChatGPTgpt-62 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What do British hallmarks on antique silver jewelry actually mean and how can I look up the maker marks online to find the exact decade it was produced.
2 real searches · 1 real-search pass
UK official silver hallmarking date letter chart assay office maker sponsor marks online database Goldsmiths Company Assay Office Birmingham Assay OfficeGoogle ↗
OBSERVED
British silver hallmarks guide date letters cycles maker marks database Antique silver researchGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
UK official silver hallmarking date letter chart assay office maker sponsor marks online database Goldsmiths Company Assay Office Birmingham Assay Office Google ↗
British silver hallmarks guide date letters cycles maker marks database Antique silver research Google ↗
  1. Visit Silver Makers' Marks · silvermakersmarks.co.uk
  2. British silver date-letter charts · silvermakersmarks.co.uk
  3. How to trace an historic hallmark · thegoldsmiths.co.uk
  4. Trace a Hallmark with the Goldsmiths Assay Office in London · registration.assayofficelondon.co.uk
  5. Mark Identification service · assayoffice.co.uk
  6. UK Government – Hallmarking guidance · gov.uk
  7. UK Hallmarks · assayoffice.co.uk
  8. Silver hallmarks · antiquestradegazette.com
  9. LAPADA Guide to Reading British Silver Hallmarks · lapada.org

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
UK official silver hallmarking date letter chart assay office maker sponsor marks online database Goldsmiths Company Assay Office Birmingham Assay Office
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
British silver hallmarks guide date letters cycles maker marks database Antique silver research
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1