What Is Relationship Btwn "notching" And "double Die"

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Author	Replies: 6 / Views: 2,128
basicbob101 Pillar of the Community United States 819 Posts	Posted 02/04/2009 10:48 am Not sure I get it, is there no double dies w/o notching? How/why does notching occur? If the master die is double punched to create a double die (versus a double strike or Machine Doubling)how would this process create a "notch" which would have to be a raised portion on the die? Is there a good discussion/article somewhere on the entire minting process (in extreme detail) from start to finsh? thanxz Report this Post to the Staff

coop Bedrock of the Community United States 62064 Posts	Posted 02/04/2009 10:59 am That's a bunch of loaded questions. On coppercoins forum one member covered the 9 different classes of doubled dies. Lets see if this answers some of your questions: http://www.coppercoins.com/forum/vi...hlight=class Report this Post to the Staff
basicbob101 Pillar of the Community United States 819 Posts	Posted 02/04/2009 12:01 pm thanxz coop, I found an 89 D LMC that must be a double strike, don't see any notching. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 02/04/2009 12:47 pm Bob: The 1989 Cents have wider devices starting that year to 1991. Compare your coin with another you find to see if it is really different. It just looks different because of the wider/fuller devices on the reverse. Report this Post to the Staff
coppercoins Pillar of the Community United States 7629 Posts	Posted 02/04/2009 1:53 pm 1992 also has thick devices on the obverse. It's a one-year obverse type. Report this Post to the Staff
Jazzcoins Valued Member United States 301 Posts	Posted 02/04/2009 2:22 pm I think the class 6 distended hub doubling usually only indicates extra thickness on the letters which rarely exhibits separation I don't think you will see any notching on that specific hub doubling So that;s a doubled die without notching class 6 Jazzcoins Joe Edited by Jazzcoins 02/04/2009 2:31 pm Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 02/04/2009 6:04 pm Here is an example of a class 6 doubled die. Report this Post to the Staff
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What Is Relationship Btwn "Notching" And "Double Die"