I know I'm not debating with Albert Einsteins here, but I'll help you out on this one, as long as you promise never to raise it again, because it's been done to death.
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The market value of the gold reserves based on the London Gold Fixing as of September 30, 2014 was
$318.1 billion.
++++++++++++++++++ https://www.fiscal.treasury.gov/fsreports/rpt/goldRpt/current_report.htm