Rinse with water and dry. The ketchup scrub is ideal for cleaning copper or silver coins with moderate tarnish. Ketchup contains vinegar's acetic acid and salt's mild abrasiveness. Cover the coin ...

Here are four ways to check if your coin can be sold for almost $14,000, according to financial review site Tododisca. The ...

American pioneers, for example, were known to place silver or copper coins in water barrels to ensure ... or your hiking ...

The 1,000-year-old "bank account" of 36 silver coins was discovered earlier ... the right thing" by "resisting the urge to clean the coins", which meant that valuable information was not lost.