Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

The 1999 penny error varieties remain some of the most exciting finds for collectors hunting through pocket change today. Accurate identification is crucial for coin collectors who want to distinguish ...

If you want to understand why some mistake coins become worth millions, this article will explore six valuable examples that made headlines in the collecting world.

Collectors have long known that small minting mistakes can turn pocket change into serious money, and the 1983 Washington quarter is one of the clearest examples. A spectacular error from that year, ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

— 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 ...

Like the leaning tower of Pisa, error coins demonstrate the alluring appeal of human error. Error coins account for some of the most rare and valuable collectable ...

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 ...

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 ...