Found a Strange Old-Looking Coin in Your Sister’s Purse? Here’s What It Could Be

little, usually a few dollars as a collectible. Its value is more likely to be sentimental or decorative than financial. A genuine ancient coin, on the other hand, can be worth anything from a modest amount to a very large sum depending on its age, metal and condition, which is why you should never clean it. Rubbing or polishing can destroy its value.