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1978 DD Or Repunch? Or What?

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tershaffer's Avatar
United States
232 Posts
 Posted 01/11/2011  02:25 am Show Profile   Bookmark this topic Add tershaffer to your friends list Get a Link to this Message Number of Subscribers
Would this be DD, RP or another MD? I know pics are bad and can't fully tell, but what do you pro's think? Better pics soon, just building keep stack till better pics possible.

1978-DD-Or-Repunch?-Or-What?
Valued Member
United States
465 Posts
 Posted 01/11/2011  03:00 am  Show Profile   Bookmark this reply Add rh13 to your friends list Get a Link to this Reply
Die deterioration,maybe,I think that can cause a fuzzy look,,,,but dont take my word,,the pros will know,,
Bedrock of the Community
coop's Avatar
United States
62064 Posts
 Posted 01/11/2011  12:41 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Die Deterioration is usually seen on the devices sides facing the rim. Die wear usually follows this wear pattern.
IE:Poorman's so called doubled die:
https://www.coincommunity.com/forum..._MANS_DD.jpg

RPD's Happened on the 19 Century coins when the date devices were added by hand. On 20th century coins the devices were on the master die. Making an RPD impossible except for the few times two different year hubs were used. So in these cases it was not a punched digit issue, but two different years hubs used.
(The following coin is a faked example, but the inset shows the correct view of the real deal.)
https://www.coincommunity.com/forum..._on_Date.jpg
https://www.coincommunity.com/forum...heritage.jpg

Machine Doubling is usually shown as flat shelf doubling on devices. The devices are not doubled, but damaged when looked at closely.
https://www.coincommunity.com/forum...DOUBLING.jpg
https://www.coincommunity.com/forum...ing_coop.jpg
https://www.coincommunity.com/forum...erse_001.jpg

Not sure what is being pointed to on the 9 in the date, but between the 7 & 8 is a faded die scratch. Die scratches are found on coins struck after a die clash has been polished off of the fields of a die. They start off sharp and defined. Later they flatten with more coin struck. The fields flatten the scratch and they fade into the fields. These may be used to match up known dies or to prove they are from the same die as the scratch in in a different location.
https://www.coincommunity.com/forum..._scratch.jpg
Fading die scratches may remain stronger in areas between the devices and inside of devices. This is what I see on your coin between the 7 & 8 on your date. Hope this helps.
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tershaffer's Avatar
United States
232 Posts
 Posted 01/11/2011  5:41 pm  Show Profile   Bookmark this reply Add tershaffer to your friends list Get a Link to this Reply
thanks for the info and the pics helped alot. I think some of this is starting to sink in. What year did they start including the mint mark on the master die, just so I know what years to check?
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coop's Avatar
United States
62064 Posts
 Posted 01/11/2011  9:16 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
1990. 1989 was the last year of the hand punched mint marks.
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