A 1994 penny could be worth $2,900 

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Coin collecting is not just fun; it can be surprisingly lucrative.

Learn how subtle differences in coins can make them worth thousands.

Valuable pennies, dimes, quarters, and nickels could be hiding in your drawer.

Some 1994 pennies have sold for $2,875 – do you have one?

Learn how to spot the rare 1994 penny with an extra column.

Discover the "double die" effect that increases a coin's value.

The 1955 Lincoln doubled die obverse is one of the most valuable US coins.

Morgan silver dollars can be valuable, especially with errors like the "Shifted Eagle."

The 1917 doubled die penny is one of the rarest errors, worth up to $1,812 in uncirculated condition.