The famous Kew Gardens 50p was recently knocked off the top spot of rarest 50p coins in the UK when the Royal Mint released the Atlantic Salmon coin ...

Trump has ordered the Treasury to stop minting pennies because their production cost exceeds their value. (Intriguingly, it's the same for nickels.) ...

But in the world of coin collecting, certain pennies are worth far more than one cent—some have sold for thousands, even millions of dollars. These coins are typically rare due to minting errors, low ...

Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to ...