Plate Assay (Ireland) Act, 1807

Plate in Ireland shall be assayed and marked by the assay master or deputy assay master, or other appointed officers.

3. And . . . all gold and silver plate wrought, made, or manufactured in Ireland shall be assayed by the assay master now or hereafter to be appointed by the Fraternity or Company of Goldsmiths of the city of Dublin, or by a deputy assay master, or other officer to be appointed by the said fraternity or company, in such parts of Ireland as they shall think fit; and after such assay made, if such gold plate shall be found conformable to any of the three following standards of fineness, that is to say, of not less than twenty-two carats, or of not less than twenty carats, or of not less than eighteen carats of fine gold in every pound weight troy, and if such silver plate shall be found conformable to the standard of eleven ounces two penny weights fine silver in every pound weight troy, then the same shall be touched by the said assay master, or by any such deputy assay master or other officer and marked with the marks in the said respective cases by law required, and now or hereafter to be used for that purpose; and after the same shall be touched and marked as aforesaid the said assay master shall thereupon stamp or mark, without fee or reward, the said plate with such stamps and marks as are now in use, or with such stamp or mark as the said commissioners of inland excise and taxes for the time being or any three of them shall from time to time devise and appoint.