How to make convincing fake-gold bars

The BBC has reported that millions of dollars in gold at the central bank of Ethiopia turned out to be fake. There are only a couple ways to make fake gold.

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Gold - Wikipedia

Do the best fakes and counterfeits of precious metal bullion

Is Apmex or Provident Metals the better source for silver and gold

Tungsten Filled Gold Bars - GLD ETF WARNING - New World Order

Realistic appearance: The gold bullion is engraved with 999.9 fine gold net wt 1000g and features an electroplated gold colour to resemble the

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Tungsten-Filled 10 Oz Gold Bar Found In The Middle Of Manhattan's Jewelry District [Archive] - Kitco Forums

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