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Message:: [QUOTE="bhp3rd, post: 816574, member: 16510"]Coins are not stamped they are coined, a completly  Coins are not stamped they are coined, a completly different thing.In stamping the metal is forced (or punched) around (or by the stamp)  - in coining there is three dies, obverse, reverse and collar and the metal (planchet) is forced into the encuse dies, remember the die is negative or encuse, (in reverse) and the coin is a positive.The term "doubled die" (not double) refers to the die that has been hubbed more than once in an incorrect postion thus having some duplication to the lettering, words, or images on the die itself.  Hundreds, (or thousands) of dies are needed each year.  Each die (before) about 1997 for cents) is put in the hubbing press and does not recieve a full impresstion the first time.  The die hardens and must be heated again and repeated some times multible times.  If the die is postioned in the hubb slightly adjar (or in any way not in the original position) in the hubbing press it will recieve overlapping design elements.The coins struck from these dies are called "doubled die coins" but what we are really referring to is the die that struck the coin, ie: "doubled die".A doubled die is an "variety" because the mint most likley knew about it and let it go anyway, (in production) but more importantly because it can be traced to that very die.  A double stuck coin is an error and is random and not traceably to any one mint manufactoring process other than a mistake.In all candor this is short version of the subject and over-simplified.  I left out about 90,000 words of further clearification that is an important part of the subject.  I hope this helps you.[/QUOTE]

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