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<p>[QUOTE=&quot;Any Jewelry, post: 294108, member: 2844&quot;]K is the North American way of marking gold fineness in carats, but some Asian countries have adopted it too. Maybe some others as well, but not Europe.</p><p>You can find C on some older British gold, but it mostly has full hallmarks, including assay marks. Other European countries usually have the assay system, some older European gold can have the C as well.</p><p><br /></p><p>Just an aside, in 1972 a group of European countries signed the &#039;Convention on the Control and Marking of Articles of Precious Metals&#039; (Vienna Convention). Not all European countries are signees, but more countries are joining or aspiring to join, also non-European countries. This will make the whole fineness issue a lot easier in future.</p><p>The mark of the Vienna Convention is scales with the fineness number:</p><p><img src="http://www.hallmarkingconvention.org/img/content/950.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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