An expert has issued a warning about a “very common” UK coin after one seller listed it on eBay for a whopping £10,000. Certain coins can be worth a lot more than their face value. This is typically the case if a coin is especially rare or has an unusual minting error . However, others are not so valuable. In a video posted to social media platform TikTok, an expert known as the Coin Collecting Wizard , warned that some coins may be listed for unrealistic prices. He explained that he’d read a