For coin collectors, the allure of a well-maintained collection is undeniable. However, the process of cleaning coins is fraught with potential pitfalls. Many collectors are unaware that improper ...

Coins that are tarnished, dirty, or damaged can pose a challenge when trying to ascertain their authenticity. However, Warwick & Warwick auctioneers caution against cleaning a coin yourself, as it ...

The desire to make old coins look new can be tempting, but improperly cleaning coins is one of the quickest ways to devalue them. Harsh chemicals, abrasive materials or even just overzealous ...