Each year, the U.S. Mint produces billions of coins. The vast majority are struck correctly and
up in collectors hands. In order to leave the U.S. Mint facilities,
must pass through a series
control checkpoints. If a coin is found
to be struck
with an error in
the design, or if the coining
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
into circulation. These error coins are highly sought after for their rarity
as well as their unusual
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
in an annealing furnace.
If the coins stay too long in the furnace they overheat
and change color.
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.