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<p>[QUOTE=&quot;Conder101, post: 4759287, member: 66&quot;]Which is a good indication of a plating, nickel or nickel with some other metal over it.</p><p><br /></p><p><br /></p><p>You can make an alloy of mercury and tin that has the same SG as silver.&nbsp; Take that, give it a silver plating and it will weigh right, have the correct SG, pass the tissue test, sweak the alloy a little you might be able to fake an XRF test.&nbsp; But the sound test will still fail.&nbsp; But the sound test is unreliable.</p><p><br /></p><p><br /></p><p>If the planchet is internally flawed even a genuine coin will fail the sound test.</p><p><br /></p><p><br /></p><p>No but I remember Baghdad Bob, were they related?&nbsp; (I wouldn&#039;t be surprised.)&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p><br /></p><p>And has been obsolete for 20 years or more.[/QUOTE]</p><p><br /></p>

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