Coins and Canada - Errors and varieties of canadian coins

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1. Die Crack

Example(s)

1 cent 1894
1 cent 1894

25 cents 1992 - Yukon
25 cents 1992 - Yukon

More examples »

Description

Stamp of one or more cracks visible in relief on a coin struck by a die that has a crack more or less pronounced. The crack on the piece can be superficial (only the part chrome plated) or pronounced, demonstrating a certain depth.

Explanations

The die crack can be found on most of the denominations and years. It can be seen easily by the presence of broken lines in the field of a coin, on the legend or the effigy. When striking, the crack on the die is reproduced on the planchet like the rest of the design. If we could observe the surface of a die, we could see a concave crack that will be reproduced on the planchet in a convex shape.

Most of the cracks on dies are the result of the extreme pressure used while striking. Furthermore, metals are susceptible to crack on weak places, particularly neat sharp edges. Subsequently, pressure and wear make the crack stronger on the die until an employe changes it by a new one.

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