Rotated Die Error

A rotated die error coin occurs when either the head or the tails dies rotates in place
and then coins are struck. Most coins today are stuck in a medal rotation, ie if you
hold a coin by your thumb and index finger and spin the coin 180 degrees the other
side will be right way up. If when you spin the coin 180 degrees and the other side is
the upside down, then this would be called a coin alignment as this is the traditional
way coins used to be struck.

If the mint spots this error, they tend to straighten up the alignment of the dies but a
fair few coins might have been struck by this time. Although it isn't one of the more
valuable types of errors around it is definitely worth keeping an eye out for as they do
make a nice addition to an error collection or a good talking piece.
Courtesy of Michael Sykes
Rotated Die Two Pence Coin
Courtesy of Michael Sykes
Rotated Die Ten Pence Coin
Rotated Die Five Pence Coin
On the left is the rotated die error coin.
On the right is the standard coin.
Courtesy of Michael Sykes
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