Die Crack

What it is

Dies strike tens or hundreds of thousands of coins under enormous pressure, and eventually the hardened steel starts to crack. When a die cracks, coin metal squeezes up into the crack during each strike, which leaves a thin raised line on the finished coin, like a tiny lightning bolt across the surface. Die cracks grow over the die's life, so early strikes show a hairline while later strikes from the same die show a bolder line. They're extremely common, especially on cents and nickels.

How to spot it

Look for a raised, irregular line that wanders across the coin, often connecting letters or running from the rim into the design. Raised is the key word: run a loupe along it and you'll see it sits on top of the surface like a tiny ridge. A scratch, by contrast, is cut down into the coin and shows displaced metal along its edges. Die cracks often follow weak points of the design, so check around lettering, the rim, and busts.

What it's worth

Honestly, most die cracks add little to nothing: expect $0-$5 on common modern coins. Large, dramatic ones, or catalogued named varieties on popular series (like Morgan dollar VAM cracks), can add $10-$50+. Collect them for fun, not for profit.

Famous examples

• Morgan Dollar VAM die cracks
• 1922 Lincoln Cent die deterioration varieties
• Countless cracked-die state quarters