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2015 D Die Scratches Left Of Shield?

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 Posted 03/09/2016  03:39 am Show Profile   Bookmark this topic Add Aaron1978 to your friends list Get a Link to this Message Number of Subscribers
Hi I was wondering why there would be die scratches next to the shield? Is this common? Thanks!

2015-D-Die-Scratches-Left-Of-Shield?

2015-D-Die-Scratches-Left-Of-Shield?

2015-D-Die-Scratches-Left-Of-Shield?

2015-D-Die-Scratches-Left-Of-Shield?
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John1's Avatar
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56855 Posts
 Posted 03/09/2016  04:17 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
It is kinda common. It is from the mint trying to remove something from the die,most likely a clash.I have seen them where it even goes under EPU and the low parts of the shield.
John1
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Biedercoins's Avatar
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 Posted 03/09/2016  12:23 pm  Show Profile   Bookmark this reply Add Biedercoins to your friends list Get a Link to this Reply
That's interesting. Are there examples of such mint-made tool marks on memorial reverses? It seems like one of those things that Gasparro simply wouldn't allow.


This is slightly off topic, but it reminds me of a Q&A page between one of the authors and Frank Gasparro in Wexler and Flynn (1996). This was concerning repunched mint marks, but reflects Gasparro's old fashioned assertive confidence in the mint's perfectionism:

Q: If a mistake was made in striking the mintmark in [sic], would it have been removed?

A: I don't think the mint had errors. You struck the mintmark carefully with a punch. You struck it with a hammer, and if it was not distinct enough, you struck it again. There weren't any errors made, doubling or anything.


If there were "no errors, doubling or anything", what are we talking about in these forums all the time?
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coop's Avatar
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 Posted 03/09/2016  12:30 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Note how it fall behind the shield? This is cause the area on the die was on the outside part of the die. (the fields) The devices and bust is sunk deeper into the die.
2015-D-Die-Scratches-Left-Of-Shield?
Most contact on the die would touch the fields first. Including polishing.
2015-D-Die-Scratches-Left-Of-Shield?
2015-D-Die-Scratches-Left-Of-Shield?
If the die field is left rough it will leave a rough spot on the fields of the coin that appear to flow behind the devices.
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Pete41's Avatar
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 Posted 03/09/2016  1:01 pm  Show Profile   Bookmark this reply Add Pete41 to your friends list Get a Link to this Reply
Hey COOP. With the tools the mint technicians have, including the stereo microscope seen in your pictures, how could the technician possibly miss seeing the results of the efforts to polish the die on this coin.
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 Posted 03/09/2016  1:02 pm  Show Profile   Bookmark this reply Add biokemist6 to your friends list Get a Link to this Reply

Quote:
Are there examples of such mint-made tool marks on memorial reverses?

Yes, feeder finger damage(long parallel gouges) is the most prevalent example. However, I do not think that feeder fingers are still used in the newer Schuler horizontal presses.
Edited by biokemist6
03/09/2016 1:05 pm
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John1's Avatar
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 Posted 03/09/2016  1:30 pm  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply

Quote:
However, I do not think that feeder fingers are still used in the newer Schuler horizontal presses.
I wasn't sure about the feeder finger thing which was my first thought,that's why I said I thought it was abrasion marks.
John1
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United States
148 Posts
 Posted 03/09/2016  6:47 pm  Show Profile   Bookmark this reply Add Aaron1978 to your friends list Get a Link to this Reply
Thanks for all the input! I'm learning a lot. Great discussion!
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