Here is what it says:
This new Canadian silver commemorative coin is legal tender with a value of $20. It is available for the official price of only $20.
•Authorized by the Government of Canada
•Only 1 in every 175 Canadians can own one
•Certificate of Authenticity
•Finish: Specimen
•99.99% pure silver
•Limited Edition!
Shipping starts February 28th, 2011
Limit of 3 coins per person
The webpage link： 2011 $20 Fine Silver Commemorative Coin
Added on Mar. 7, 2011
They were sold out already. I have bought 3 coins from that link. If you are interested in them, please leave a message below. I will respond as soon as possible. 😛
By the way, only available in Canada.
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Pretty rare from them. usually they sell their silver 3 times the value.