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<p>[QUOTE=&quot;johnmilton, post: 24682573, member: 101855&quot;]A hub looks like the finished coin. It is used to sink the design features into the working die, which is to strike coins. </p><p><br /></p><p>It takes three strikes to sink the design devices into the working. Each of those strikes must be in perfect alignment. One of them isn’t there will be some doubling. </p><p><br /></p><p>For the 1955 doubled die cent, the hub was rotated slightly. Therefore everything was doubled. As you move toward the center of the coin, there is less doubling. </p><p><br /></p><p>There are other types of doubled die coins, but this is enough for now.[/QUOTE]</p><p><br /></p>

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