Kenneth Griffin, the billionaire art collector and hedge fund founder, purchased the document that abolished slavery, as well ...

Collectors hunting for valuable coins don't have to reach back a century or more to find them -- they can pop back a few ...

Most pennies today have little value, but those from the early American colonies can sell for thousands of dollars. In 2010, ...

Griffin paid a record $13.7M for the 13th Amendment and $4.4 million for the Emancipation Proclamation. Both documents were ...

You might think the end of penny production would make the coins rare and valuable, but not so fast, warned John Haas, owner ...

Before you toss your old pennies in the coin jar, take a closer look at them. They could be worth thousands of dollars to ...