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<p>[QUOTE=&quot;avr5700, post: 1598636, member: 30063&quot;]In my experience, the cheapest way to do this is to take what you need to assess to a coin or jewelry dealer.&nbsp; In order to give you a purchase price quote, they will test it to their satisfaction.&nbsp; Of course, I never like to see some of the material rubbed off on a testing stone/paper, but them&#039;s the breaks, just don&#039;t test it thousands of times... <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p><br /></p><p>On a side note, I asked a local market maker about his testing with respect to potential tungsten and fakes in general.&nbsp; Apparently, he&#039;s comfortable with small weights and not so much with larger blocks that are easier/more profitable to fake.&nbsp; Apparently he would refuse larger AU bars.&nbsp; When asking about method of testing and suggesting that he use a sonic analysis, he indicated that reliable sonic testers are extraordinarily expensive, preventing him from using them.[/QUOTE]</p><p><br /></p>

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