The true gold standard, in which gold coins circulated freely as legal tender, was started in Britain in 1717 and lasted for just under 200 years, interrupted only during the Napoleonic wars.

真正的黄金标准—金币作为法定货币可以自由流通---诞生于1717年并且持续了200余年直到拿破仑发起战争才终止。

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The Bing Ban Liang coins widely circulated in the Qin State.

饼半两在当时秦国具有一定的而又相对广泛的使用流通地区。

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To invest strictly in gold, focus on widely circulated coins and leave the rare coins to collectors.

FORBES: Getting Into The Gold Market

Some of the widely circulated gold coins include the South African krugerrand, the U.S. eagle and the Canadian maple leaf.

FORBES: Getting Into The Gold Market

This problem explains why metal money has circulated not in lumps but as coins, with a regulated amount of metal in each coin.

ECONOMIST: Free exchange