Kew Gardens 50p – this 50p released in 2009 marked 250 years of the botanical garden, and was the rarest 50p in circulation, making it incredibly popular. Britannia New Pence 50p – Replicating the original design of the 50p when it was first released in 1969, the Britannia 50p, designed by Christopher Ironside, is instantly recognisable.
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