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<p>[QUOTE=&quot;bobbeth87, post: 1200369, member: 18369&quot;]I can&#039;t get the tissue test to work.&nbsp; However, to me, sound is the best test.&nbsp; Flip a known clad in the air and flip a known 40% silver half in the air (let it land on a pillow or something soft).&nbsp; There is a distinct sound that silver makes.&nbsp; Then, flip your suspect coin.&nbsp; Does it &quot;ring true?&quot;&nbsp; I believe, if I&#039;m not mistaken, that that is the origin of that phrase.</p><p><br /></p><p>Bob[/QUOTE]</p><p><br /></p>

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