The 1990 penny error coins represent some of the most exciting finds for modern coin collectors. This year marked a significant transition in U.S. Mint production ...

While most coins from the 1990s are still worth face value, certain rare examples from that decade have become numismatic goldmines. The key lies in knowing what to look for among your old pocket ...

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 ...

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 ...

A SAVVY dad-of-one snapped up a rare 20p coin that’s set to make him £1,800. Alun Barker, 45, who lives in Hull, is the only person known in the world to have the ultra rare piece dating from 1990.