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<p>[QUOTE="tortoise62, post: 3109001, member: 96118"]I stumbled across an ultrasound tester which seems to be affordable. The problems is with gold American Eagles - they aren't 24K gold. They are 91.67% Ag 3% Ag and 5.33% Cu. While this mixture was created for durability, it reduces anti-counterfeiting via ultrasound. The U.S. Mint is doing nothing to thwart Chinese counterfeiters. <a href="https://fisherpreciousmetals.com/us-mint-on-anti-counterfeiting/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://fisherpreciousmetals.com/us-mint-on-anti-counterfeiting/" rel="nofollow">https://fisherpreciousmetals.com/us-mint-on-anti-counterfeiting/</a></p><p><br /></p><p>Canada has Bullion DNA - [MEDIA=youtube]9T_vk_foH50[/MEDIA]</p><p>Although damage to the coin can prevent authentication, at least it's something. It's good for gold dated 2014 and newer; silver 2015 and newer.</p><p><br /></p><p>Sounds like China will make a ton of cash pumping out gold plated tungsten fakes. Watch how this silver bar tricked XRF testing: [MEDIA=youtube]89ATeNy3DIo[/MEDIA][/QUOTE]</p><p><br /></p>
[QUOTE="tortoise62, post: 3109001, member: 96118"]I stumbled across an ultrasound tester which seems to be affordable. The problems is with gold American Eagles - they aren't 24K gold. They are 91.67% Ag 3% Ag and 5.33% Cu. While this mixture was created for durability, it reduces anti-counterfeiting via ultrasound. The U.S. Mint is doing nothing to thwart Chinese counterfeiters. [url]https://fisherpreciousmetals.com/us-mint-on-anti-counterfeiting/[/url] Canada has Bullion DNA - [MEDIA=youtube]9T_vk_foH50[/MEDIA] Although damage to the coin can prevent authentication, at least it's something. It's good for gold dated 2014 and newer; silver 2015 and newer. Sounds like China will make a ton of cash pumping out gold plated tungsten fakes. Watch how this silver bar tricked XRF testing: [MEDIA=youtube]89ATeNy3DIo[/MEDIA][/QUOTE]
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