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1959 or 1957? What’s up with this penny?
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<p>[QUOTE="Conder101, post: 4832913, member: 66"]Finding a new CLASS of error would be most unusual, but finding an error in a known class where no other specimen is known is possible. But since errors are pretty much the result of a mechanical failure, and coins are made the same way every year, so if a failure creates an error one year it probably occurs every year.</p><p><br /></p><p>Varieties are typically the result of something happening in the die making process. Since the advent of hubbing in the 1830's the possible types of varieties has been reduced (overdates, repunched dates, misplaced dates, over mintmarks, repunched mintmarks and doubled dies are pretty much it.) After dates were added to the hubs around 1907 the repunched and misplaced dates disappeared, and the only overdates were the result of doubled dies. After 1990 when mintmarks were added to the master die repunched and overmintmarks became pretty much impossible. After single squeeze hubbing began in 1996 doubled dies became very minor. (but possibly more common.) It is possible to find previously unknown varieties. The mint uses a LOT of dies each year and basically in discovering a variety, you are identifying a specific die.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 4832913, member: 66"]Finding a new CLASS of error would be most unusual, but finding an error in a known class where no other specimen is known is possible. But since errors are pretty much the result of a mechanical failure, and coins are made the same way every year, so if a failure creates an error one year it probably occurs every year. Varieties are typically the result of something happening in the die making process. Since the advent of hubbing in the 1830's the possible types of varieties has been reduced (overdates, repunched dates, misplaced dates, over mintmarks, repunched mintmarks and doubled dies are pretty much it.) After dates were added to the hubs around 1907 the repunched and misplaced dates disappeared, and the only overdates were the result of doubled dies. After 1990 when mintmarks were added to the master die repunched and overmintmarks became pretty much impossible. After single squeeze hubbing began in 1996 doubled dies became very minor. (but possibly more common.) It is possible to find previously unknown varieties. The mint uses a LOT of dies each year and basically in discovering a variety, you are identifying a specific die.[/QUOTE]
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1959 or 1957? What’s up with this penny?
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