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<p>[QUOTE=&quot;afantiques, post: 2320564, member: 71234&quot;]Years of experience. You look at a random handful, see how you feel about 75% as an average silver content, mentally tweak it a bit one way or another as your instinct dictates and use that as your figure, you may settle on 65% or 80%, depending on the content of your sample or even the general colour of the pile.</p><p><br /></p><p>It&#039;s as hard to explain as telling someone how to catch a ball. Easy to do, impossible to explain.&nbsp; Most purchases of quantities of stuff involve taking a sample and extrapolating a value for the lot.[/QUOTE]</p><p><br /></p>

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