A coin can be worth a ton of money -- a pretty penny, one might say -- if it's rare and has enough historical significance.

A coin can be worth a ton of money — a pretty penny, one might say — if it’s rare and has enough historical ... finds that the value of a 1920 S Indian Head Gold Eagle in average condition ...

One of the most valuable pennies is the 1943 Lincoln penny. This unique coin is highly sought after ... s production after it replaced the Indian Head penny. Its rarity and historical significance ...