Could your old pennies be hidden treasures worth ... a former producer of British currency. Coins bearing this hallmark, particularly those well-preserved, are often counted among the more scarce ...

These particular coins, among others, were often put beneath building foundation stones, following an old custom ...

Major English cities like Birmingham ... it's about connecting with history and uncovering hidden treasures. Your old coin jar might hold more than just spare change – it could be a portal ...