The green spots found on some copper coins are called verdigris this is a copper salt like rust. It is usually copper acetate, but can be a copper hydroxide. Neither of these would come off with any kind of...
Generally, you should never clean coins. Any self respecting collector would tell you that. Many coins loose their value when cleaned and a buyer with a keen eye can tell when a coin has been badly...
Five Guineas - The Largest Most Valuable British Gold Coin British Milled Gold Coinage and The Story of the Five-Guinea Piece.This guide is reproduced from our "24carat" website.Obverse Reverse of 1687 James...
British Gold Five Guineas Brief history and information about English 5 guinea gold pieces, from 1668 to 1753. British Milled Gold Coinage and The Story of the Five-Guinea piece. Obverse Reverse of 1687 James...
If you regularly check out the coins and tokens that I list on eBay then you have probably noticed that I never state a prescribed grade. In my experience, and probably yours, I have found that many coin...
In the 17th and 18th Century there was a shortage of small change in the form of copper Halfpennies and Farthings. It was believed by the ruling elite that coinage should only be stuck in silver and gold and...