New legislation - the Common Cents Act - was introduced this week to eliminate the production of pennies, which the Treasury says cost 4 times their value to make.

If kept for a long time, these coins can become even more valuable than they already are. Read Next: 9 Antique Items You ...

While it may not amount to much at the outset, some of those dimes could be worth far more than their minted value. The U.S.

Silver coins are highly prized by dealers and collectors -- not just because of their silver content, but also because they ...