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 ...

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 ...

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 ...

The 2003 Nickel Error List contains some of the most sought-after minting mistakes that collectors actively hunt for today. These errors can transform a five-cent coin into a valuable treasure worth ...

Discover rare 1990 penny errors, their values, and how apps like CoinKnow help identify valuable coins instantly.

The 1980 penny error coins represent some of the most exciting finds for collectors searching through pocket change. With ...

Explore the 1967 quarter error list, including DDO, DDR, off-center, wrong planchet, and rare silver errors, plus values and identification tips for collectors.

“There aren’t a ton of options for valuable, circulating European coinage,” said Ben Wengel, an expert in authentication and the minting process who has handled, authenticated, and graded over a ...