What do people think of the Sigma precious metals verifiers? Worth buying and how accurate? Any surprises with tungsten filled gold bars? there appear to be many fake pamp and perth mint gold bars when you scan facebook and see them being sold way below spot.
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Shocking results with Sigma Major failure - General Precious Metals - The Silver Forum
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More fake Perth bars on . Beware : r/Gold
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And Britannia silver. The Verifier can assess a sample in less than one second without affecting the coin or bullion in any way. The Verifier can see
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Shocking results with Sigma Major failure - General Precious Metals - The Silver Forum