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<p>[QUOTE=&quot;Conder101, post: 6877516, member: 66&quot;]The term you are looking for is a &quot;riddler&quot;.&nbsp; A set of sloping vibrating trays that the coins ride along after striking.&nbsp; The top tray has holes in it that are just a hair larger than the diameter of the struck coins.&nbsp; Anything the proper size or smaller fals through the holes into the second tray.&nbsp; Anything too large (bonded pairs broadstrikes and most off-centers) stay in the top tray and fall off the end into a reject hopper.</p><p><br /></p><p>The second tray has holes slightly smaller than the struck coins.&nbsp; Anything smaller such as clipped planchets, unstruck, planchets struck fragments, bowties etc. fall through to the third tray.&nbsp; The contents at the end of the second tray move on and the contents of the third go into the reject hopper.&nbsp; Before 2002 the coins would go through one set of riddlers, since then they go through multiple sets which is one reason errors since 2002 are much scarcer.</p><p><br /></p><p>For some reason you seldom see riddlers discussed when the steps in coin production are discussed.</p><p><br /></p><p>(Riddlers are commonly used in farming where they are used to separate weed seeds from grain.&nbsp; Smaller holes, same idea.&nbsp; Grain tends to come in a certain size and the weed seeds are either smaller or larger.)</p><p><br /></p><p>If they do get pasted the riddlers though they will then typically make it into the bags which are pretty much &quot;counted&quot; by weight.&nbsp; Then they aren&#039;t found until the bags are rolled&nbsp; by the armored car services etc.&nbsp; There the mistruck pieces are culled out and are supposed to be returned to the mint but are often kept by the employees and sold to error dealers.[/QUOTE]</p><p><br /></p>

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