The combination of "copper" and "penny" might not seem like the best formula for valuable coins considering that you can find ...

The author has maintained a consistently bullish outlook on copper, anticipating a rebound off the $4 per pound support level ...

People of a certain generation will remember the year-long bicentennial celebration of 1976, when the United States ...

Silver coins are highly prized by dealers and collectors — not just because of their silver content, but also because they tend to be scarcer than coins minted with copper, nickel, zinc and ...

The mayor of Lleida, Fèlix Larrosa, recently visited the archaeological restoration laboratory at the University of Lleida ...