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<p>[QUOTE="Hobo, post: 1434187, member: 11521"]Hello,</p><p><br /></p><p>Sure. When a working die is made with some of the features doubled we call that a 'doubled die'. Every coin struck by that die will have the same doubling. There may be many coins struck by that die or there may only be a few. In any case there will be a number of coins with the same "mistake". We call that a 'variety'. (For example, the 1955 DDO Lincoln Cent is a variety.)</p><p><br /></p><p>Another type of variety is an overdate. Examples of an overdate are the 1918/7-D Buffalo Nickel and the 1942/1 Mercury Dime. (In both cases the Working Die was hubbed with different Working Hubs. The 1918/7-D Buffalo Nickel was hubbed with both a 1917 Working Hub and a 1918 Working Hub. The same thing happened to the 1942/1 Mercury Dime; it was hubbed with both a 1941 Working Hub and a 1942 Working Hub.) Every coin struck by these overdate dies has the same overdate. This is a variety. </p><p><br /></p><p>Repunched mintmarks (RPMs) are yet another example of a variety. The mintmark on the Working Die was repunched and every coin struck by that die has the RPM. That is a variety. </p><p><br /></p><p>An error, on the other hand, is usually a one-off. You rarely find two or more coins with the exact, same clipped planchet. Even if you found several coins with the same amount of clip the clips were all produced from different "mistakes". Off-center coins occur individually. You may find numerous examples of coins with the "same" amount and direction of off center but they are not related; they all were produced by their own "mistake", not one common "mistake". </p><p><br /></p><p>So 'varieties' share a common "mistake" and 'errors' are each produced by their own unique "mistake".[/QUOTE]</p><p><br /></p>
[QUOTE="Hobo, post: 1434187, member: 11521"]Hello, Sure. When a working die is made with some of the features doubled we call that a 'doubled die'. Every coin struck by that die will have the same doubling. There may be many coins struck by that die or there may only be a few. In any case there will be a number of coins with the same "mistake". We call that a 'variety'. (For example, the 1955 DDO Lincoln Cent is a variety.) Another type of variety is an overdate. Examples of an overdate are the 1918/7-D Buffalo Nickel and the 1942/1 Mercury Dime. (In both cases the Working Die was hubbed with different Working Hubs. The 1918/7-D Buffalo Nickel was hubbed with both a 1917 Working Hub and a 1918 Working Hub. The same thing happened to the 1942/1 Mercury Dime; it was hubbed with both a 1941 Working Hub and a 1942 Working Hub.) Every coin struck by these overdate dies has the same overdate. This is a variety. Repunched mintmarks (RPMs) are yet another example of a variety. The mintmark on the Working Die was repunched and every coin struck by that die has the RPM. That is a variety. An error, on the other hand, is usually a one-off. You rarely find two or more coins with the exact, same clipped planchet. Even if you found several coins with the same amount of clip the clips were all produced from different "mistakes". Off-center coins occur individually. You may find numerous examples of coins with the "same" amount and direction of off center but they are not related; they all were produced by their own "mistake", not one common "mistake". So 'varieties' share a common "mistake" and 'errors' are each produced by their own unique "mistake".[/QUOTE]
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