Illinois State Quarter Mint Error MS65

Price: $179.00

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Item Number: NK9936

Each year, the U.S. Mint produces billions of coins. The vast majority are struck

correctly and enter circulation or end up in collectors hands. In order to leave

the U.S. Mint facilities, the coins must pass through a series of quality control

checkpoints. If a coin is found to be struck with an error in the design, or if the

coining machinery malfunctions and produces misshapen or partially-struck

coins, all of the coins in question are destroyed.

However, each year a very few rogue coins manage to escape the eyes of

inspectors and are accidentally released into circulation. These error coins

are highly sought after for their rarity as well as their unusual nature.

Due to their rarity, error coins can be expensive.

These mint error coins have an Improperly Annealed planchet. This happens

when the coins stay for too long in the annealing furnace. In order to make the

coins soft before they are struck and to protect the coin dies, coins are heated in

an annealing furnace. If the coins stay too long in the furnace they overheat and

change color. These Statehood quarters have a distinctive dark but fully lustrous

color. This unique color makes them easy to identify and very few get past the

quality control inspectors. These are interesting mint errors and make a great

addition to any coin collection.