Typically, the piece comes in silver – with around 210,000 of them released to the public. ... The ultra rare version of the Kew Gardens 50p was estimated to fetch between £5,000 and £6,000.

The silver 2009 Kew Gardens 50p coin, featuring the Royal Botanical Gardens' Great Pagoda, tend to be valued at around £250 - but a rare gold version is worth much more. Comments.

Now it's worth mentioning the Kew Gardens 50p coin also comes in gold proof condition, which is ultra rare. And if you have one of these, you're looking at £5,000-£6,000.

The ultra rare version of the Kew Gardens 50p was estimated to fetch between £5,000 and £6,000. "The winning bidder managed to secure this PF 70 grade version, which is the highest grade a coin ...

The Kew Gardens 50p, owned by a coin collector in Worcester, has sold on eBay for £275. The Royal Mint has called the coin "the most sought-after" by collectors due to its rarity.