To commemorate the occasion, Australian Open organisers have struck a special limited edition collector coin that was released at the Australian Open 2012 launch this morning.

澳网公开赛组织者为纪念这场盛事而铸造限量版收藏币于今天早晨公开赛启动仪式上发行

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There are two further matters of interest to the serious coin collector.

对于认真的钱币收藏家来说，还有两件事必须一提。

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If a coin collector started from a dozen years ago, followed the correct means and never went on the wrong path, the value of his collections must have been doubled.

十多年前收藏钱币的人只要方法正确，不走弯路，其藏品至今肯定升值一倍以上。

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"I was on a business trip in Europe a couple years ago when I found out that a very rare early-American coin would be going up for auction in Boston the next day, " one collector told me.

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