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<p>[QUOTE=&quot;jcuve, post: 763721, member: 13945&quot;]DDD is an accepted and used term - calling it anything else just leads to confusion, in particular with newer collectors who are unaware of what is what.</p><p>&nbsp;</p><p>The splits in the plating (where some of the zinc is exposed) is referred to as either Plating Split Doubling (PSD) or Split Line Doubling and is found only on plated Lincoln cents and is indeed common in the years outlined (typically &#039;89-&#039;02) on the outer devices. It also occurs somewhat more dramatically, though inconsistently, on Broadstrikes and sometimes Off-center Strikes. The DDD is not related to the PSD as the doubling effect of the DDD occurs on the die whereas the doubling from the PSD occurs on the individual coin. The two should not be confused with one another nor with Machine Doubling as they all have entirely different root causes.[/QUOTE]</p><p><br /></p>

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