Rotated die - Errors and varieties of canadian coins - Coins and Canada

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Rotated die - Errors and varieties

Rotated die - 1 cent 1964

Even if it isn't possible to know which of the two dies is responsible for a Rotated Die error, it can occur for two major reasons:

Stable Rotation

Occurs when one of the two dies has been misaligned during installation. Stable rotation produces multiple coins with an degree of rotation. We can assume that the following coins come from this a misaligned die:

Dynamic Rotation

Occurs when one of the two dies has become loose while striking and it has rotated on its axis. For example, several degrees of rotation can be found on 1940 Canadian circulation coins, all denominations included.

How to calculate the rotation degree

Rotated Die - 1 dollar 1967

To calculate the rotation degree, it is necessary to measure rotated side in relation to the other side of the coin.

List of hours, degrees and percentages

Rotated Die values

The value is based on the degree, date of the coin, rotation type, grade and denomination. Most Rotated Die with a rotation degree below 15% aren't valued above the regular version of the same coin. Here are some prices realized at auctions:

  • $3,220 CAD - 5 cents 1965 PCGS AU-50 - 180 degrees
  • $190 CAD - 5 cents 1940 ICCS MS-63 - 40 degrees
  • $150 CAD - 25 cents 2000 Pride - 90 degrees
  • $105 CAD - 1 dollar 1967 ANACS PL-66 - 20 degrees
  • $90 CAD - 25 cents 1992 New Brunswick CCCS MS-60 - 180 degrees

More examples of Rotated Die

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