That's a great link. Didn't even occur to me to check directly with the mint. It appears they are available for international delivery. I just want the coins, though. not all the extras. It seems rather silly to pay over 35 pounds for less than 5 pounds worth of coin. I'm having a hard time finding out whether or not they'll just be available in circulation.
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Actually, I did find that they'll be in circulation. The 50p coin around March, unsure on the dates of the others. Perhaps I should just wait a bit.