11 Facts About Coin die

Coin die is one of the two metallic pieces that are used to strike a coin, one per each side of the coin.

The Coin die that was on the hammer side, usually the reverse, tended to wear out first.

However, engraving on the face of the Coin die did not become commonplace until the early Renaissance.

The process of transferring the hub to the die can be repeated as many times as necessary in order to form the number of dies needed to make the number of coins required.

The difference between a hub and a Coin die is that the hub has a raised image and a Coin die has an incuse image, so one forms the other.

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In between each hubbing the Coin die being made must be subjected to an annealing procedure to soften the steel, making it easier to force the hub's image into the Coin die.

If, when the Coin die is subjected to another hubbing, it is not lined up exactly with the hub, the result is a secondary image, or doubling.

Coin errors that occur on the die are generally more desirable than errors made at the time of the strike.

Many doubled Coin die errors require at least a jeweler's loupe to be seen.

Some coins exhibit multiple crack-like features, indicating a die that is very close to the end of its serviceable life.

Coin die itself, has been the main motive for many collectors coins and medals.