Add Yahoo as a preferred source to see more of our stories on Google. Peter Gudella via Shutterstock Minting coins isn't exactly an exact science. Even though most ...

When that coin crossed the auction block, it realized $15,862.50, a figure that has since become shorthand among collectors for how extreme mint errors can rewrite the value of a modern quarter. The ...

Only a handful of these bronze pennies exist—fewer than 20 are believed to have survived. One example from the Denver mint even sold for $1.7 million, showing how valuable such rarity can be. Holding ...

Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...

Most people treat spare change like background noise. It jingles around in a coat pocket, gets tossed into a jar, maybe rolls under the couch and stays there for a decade. Honestly, that's a financial ...

The 1980 penny error coins represent some of the most exciting finds for collectors searching through pocket change. With over 12 billion pennies minted that year ...

People are encouraged to scrutinise their loose change for a rare £2 coin that could be worth significantly more than its face value. An expert has suggested that ...

— Melrose resident Joe Andrews is longtime coin appraiser and an expert in the field of numismatics. His “Coin Corner” is a recurring column in the Free Press and WickedLocalMelrose.com. He has ...