You can get geography and history lessons from collecting stamps or coins from around the world.

你可以从收集世界各地的邮票或硬币中学到地理和历史。

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A: They are commemorative COINS, one in honour of the world famous giant pandas.

A：那是纪念币，一种是世界闻名的大熊猫命名的。

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Nickel allergy is the most common contact allergy in the western world, with people affected reacting to costume jewellery, COINS and even medical implants.

在西方，由于人们受到人造珠宝，硬币，甚至是化学埋值剂的影响，镍过敏症成为了最普遍的接触性过敏症。

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Like many modern crowdfunding campaigns, The World offered rewards, including gold coins for the largest donor.

BBC: The Statue of Liberty and America's crowdfunding pioneer

"The Paralympic reputation is incredibly strong around the world and the production of these coins would send a strong message - it is more than a commemorative coin, it shows how British society values diversity, " she said.

BBC: Peers back Olympic coin plan

World investment (the sum of implied net investment plus coins and medals) dipped marginally year-on-year to 282.2 million ounces, or 8, 776 metric tons.

FORBES: Silver Survey: Investment Key To Silver-Price Action In 2011; Mine Supply Hits Record High