The bronze medals are largely copper because burnished bronze and gold are similar in color, and the mint did not want any confusion as to which medal an athlete receives.

VOA: standard.2010.02.16

However, the price of gold and silver changed relatively quickly so that it became pointless to mint gold coins.

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U.S. Mint gold bullion coin sales have hit 203, 500 so far in April, the most of any month since December 2009.

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He buys gold from the Perth Mint, which actually has the backing of the Australian government.

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