A quarter might become a collector's treasure with an off-center strike.
This 15% off-center Bicentennial Quarter is rare.
The difference in striking gives the coin a unique appearance, with part of the design gone and the rest conspicuous.
This miscalculation, combined with the coin's excellent condition, raises its value to $5.2 million, making it a desirable addition to prestigious collections.
Overstruck Quarters are numismatic anomalies struck over 1971 Eisenhower Dollars, resulting in coins with elements of both denominations.
This rare mistake coin has a stunning combination of designs and inscriptions, making it popular.
Its scarcity and story make it worth $5.8 million, highlighting its rarity in coin collecting.