| 1. | At the state convention at United States Assay Office at Boise.
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| 2. | In 1869, United States assay office in Boise, Idaho.
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| 3. | The only building standing besides the furnace was the assay office.
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| 4. | Named for the English town whose assay office recognized it in 1784.
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| 5. | All four remaining assay offices finally adopted the same date letter sequences.
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| 6. | Since then, there have been ten Assay Offices in the UK.
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| 7. | Boulton petitions Parliament for the establishment of an assay office in Birmingham.
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| 8. | It's the French assay office, controlling hallmarks.
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| 9. | The Assay Office moved into the new building on 27 July 2015.
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| 10. | Some of the assay office and scale models of mines and mills.
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