Articles which are assayed and found by the qualifying office of a signatory country to conform to the standard, receive a mark, known as the Common Control Mark (CCM), attesting to the material's fineness.

dating british gold hallmarks-70

In this period, fineness was more or less standardized in the major European nations (writ: promulgated under Etienne Boileau, Provost of Paris, for King Louis IX. In 1275, King Philip III prescribed, by royal decree, the mark for use on silver works, along with specific punches for each community's smiths.

In 1313, his successor, Philippe IV "the Fair" expanded the use of hallmarks to gold works.

Many nations abide by the Vienna system and procedures are in place to allow additional nations to join the Vienna Convention.

Similarly, with the consent of all the current member states, the terms of the convention may be amended.

To be a true hallmark, it must be the guarantee of an independent body or authority that the contents are as marked.

Thus, a stamp of '925' by itself is not, strictly speaking, a hallmark, but is rather an unattested fineness mark. if metal fineness is claimed, even though there is no official hallmarking scheme in that country.

Many nations require, as a prerequisite to official hallmarking, that the maker or sponsor itself marks upon the item a responsibility mark and a claim of fineness. Nevertheless, in nations with an official hallmarking scheme, the hallmark is only applied after the item has been assayed to determine that its purity conforms not only to the standards set down by the law but also with the maker's claims as to metal content.

In some nations, such as the UK, the hallmark is made up of several elements, including: a mark denoting the type of metal, the maker/sponsor's mark and the year of the marking.

Although gold was certainly used for articles, the regulation was silent on standards and hallmarking for gold.