From the website:-
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The basic fee for a new member is £19 for a calendar year, ending on December 31st, although new members joining late in the year will be subscribed until the end of the following year.
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sorry...
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Teh bzc fee 4a nu mmbrz £19 for 12mnths, endin NYE, nu membrz joinin l8 n year will b sbscrbd until teh end o nxt yr
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kthxbai