How can I tell if an old hallmark stamped on the shank of an antique gold brooch is British or American origin?
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The searches the AI actually ran for this prompt.
SEED QUERY
How can I tell if an old hallmark stamped on the shank of an antique gold brooch is British or American origin?
1 real search · 1 real-search pass
British gold hallmark symbols assay office date letter official hallmarking guidance American gold jewelry karat marksGoogle ↗
OBSERVED
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Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
British gold hallmark symbols assay office date letter official hallmarking guidance American gold jewelry karat marks Google ↗
- Hallmarking: practical guidance - summary · gov.uk
- Trace a Hallmark with the Goldsmiths Assay Office in London · registration.assayofficelondon.co.uk
- Gold Jewellery Hallmarks & Makers Marks · gold.org