Question: why is kew gardens 50p rare?
Answer: The Kew Gardens 50p, released in 2009 to celebrate the 250th Anniversary of the Royal Botanic Gardens, is the rarest coin of any denomination currently in circulation. The coin has a mintage – the number of coins issued – of just 210,000. Because of this, owners of the coin can expect to sell it for up to £100 on eBay.