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Reverse of a 2000 Lincoln cent showing the Wide AM variety. The A in STATES sits centered, and the strong FG initials are clear on the right side of the memorial.
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Wide AM vs. Close AM: How To Spot the 1998–2000 Lincoln Cent Reverse Variety

The Wide AM and Close AM reverses on late-1990s Lincoln cents are one of the quickest wins in roll hunting. Most people know the 1999 Wide AM is the valuable one, but the real story is bigger. Two different reverse designs were supposed to stay in their own lanes. They didn’t. Old dies slipped back…

1975 Lincoln cent with a noticeable off center strike, leaving part of the design shifted toward the rim.
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How Off Center Does a Coin Need to Be to Have Value?

Off center coins are some of the easiest dramatic mint errors to spot, but not all of them are valuable. This guide breaks down how they happen, how to judge the percentage of the strike, and what actually matters when figuring out if one is worth keeping.

Close-up photo of a 1972 S Lincoln Memorial cent reverse showing a grease filled die. The words E PLURIBUS UNUM and parts of the upper Memorial detail appear faint and incomplete, with a soft, washed-out look due to debris blocking the strike.
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Grease Filled Dies: Why Your Coin Looks Half-Faded

When a coin looks weak or washed out in random places, most people think it’s worn down. Sometimes they’re right. Sometimes they’re not even close. This is a grease filled die. It happens when mint machinery gets clogged with thick gunk made of metal shavings, old oil, and debris. That paste fills the recessed parts…

What Is a BIE Penny? The Classic Die Crack That Isn’t PMD
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What Is a BIE Penny? The Classic Die Crack That Isn’t PMD

BIE pennies are one of the most common and recognizable die cracks on Lincoln cents. They form when the die fractures between the B and E in LIBERTY, creating a raised line of metal that looks like an extra letter. They are real mint-made varieties, not PMD, and they make great low-stakes finds for collectors who enjoy spotting die breaks in the wild.