Misaligned Die Error Coins

A misaligned die (MAD) error occurs when one or both coin dies are shifted horizontally or vertically out of their proper position. Unlike an off-center strike, a MAD coin retains the full design on both sides — the design simply appears shifted toward one edge, with uneven rim width.

Misaligned Die vs. Off Center Strike

• MAD error: Full design visible, one rim thicker than the other
• Off center: Part of the design is missing, crescent blank area visible
• Both are genuine mint errors and collectible
• MAD errors are more subtle and often overlooked

Common Coin Errors Detected

• Double Die Errors
• Off Center Strikes
• Clipped Planchet
• Broadstrike Errors

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