"United States Currency" has been upgraded and will become a part of the Whitman Collector Series as the ninth edition of the popular reference goes on sale.

You don’t need to be a coin collector to have piggy banks stashed ... But if you spot a red Lincoln penny from this era, it might be time to book that luxury vacation you’ve wanted.

The best tip for buyers is to research the coin collector’s market to make sure ... A good place to start is to buy a copy of “A Guide Book of United States Coins,” also known as the Red ...

According to USA Coin Book, 2,710 of them were minted — and ... 20 Double Eagle gold coins sold for $1.84 million — and the collector who bought it turned a pretty penny 14 years later.