# Hallmarking Act 1973, Paragraph 15

Extent: E+W+S+N.I.

For the purposes of this Part and Part 3—
(a) the ranking of precious metals (with platinum being the most precious and silver the least precious) is—
platinum
gold
palladium
silver,
and “least precious” and “less precious” shall be construed accordingly,
(b) “assay office mark” means the mark determined in accordance with section 4(1)(a)(i), and
(c) “standard mark” means the mark determined in accordance with section 4(1)(a)(ii) as if the precious metal part comprised a single article.

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Source: https://www.legislation.gov.uk/ukpga/1973/43/schedule/2/paragraph/15 (the official version)
Page: https://openlegislation.uk/hallmarking-act-1973/schedule-2/paragraph-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.