You could own this gold proof version (Image: PA) Check your coin collection now...

Without you even realising, there's some pieces worth an absolute fortune. Just recently, a rare penny coin with a "unique" feature fetched £140,000 at auction. It just goes to show, it's always crucial checking to see what you have.

Now a unique version of the iconic Kew Gardens 50p is causing a stir on TikTok . We all know the standard coin could flog for £250, if not more on eBay. With just 210,000 in circulation, it's incredibly hard to get your claws on a piece.

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Log('[Load] OVP flagTcfLoaded',new Date())}else{document.addEventListener("tcfLoaded",()=>{loadOvpScript()ExpressApp.Log('[Load] OVP tcfLoaded',new Date())})}},1500)}) But now there's a gold proof version you need to look out for.

User @CoinCollectingWizard, who has amassed a following of 189,000 followers on the platform, recently highlighted this iconic piece. Don't miss..