| prov:value
| - On the articles imported in 1884 the collector or assessed a duty of 30 per cent. ad valorem, under that provision of Schedule N of section 2502 of the Revised Statutes, as enacted by the act of March 3, 1883, (22 St. 511,) which imposes that rate of duty on 'bone, horn, ivory, or vegetable ivory, all manufactures of, not especially enumerated or provided for in this act.'
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