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 Replies: 29 / Views: 1,276 |
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Pillar of the Community
 United States
6464 Posts |
 I ran across this while examining CRH nickels today. I've seen plenty of die chips, but nothing quite like this. Is there some kind of known phenomenon that would cause a spray or cluster of die chips? The only other thing I can think is that solder or something sprayed the surface, but that doesn't seem likely. The objects are anchored firmly to the coin (at least, paper towel firmly), and are the same color as the nickel metal.
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Pillar of the Community
United States
3207 Posts |
are you sure it's not glue droplets?
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Moderator
 United States
34397 Posts |
Yes my vote is dried glue too. Try the tip of a wooden toothpick.
Also, @bran can you please tell us the date and mint for this nickel? I'd like to add it to the title to improve the CCF searchability. Thx.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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Moderator
United States
94943 Posts |
yep a foreign substance is on this coin. Try an Acetone bath over night.
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Bedrock of the Community
United States
73760 Posts |
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Bedrock of the Community
United States
19126 Posts |
Suggest posting full, large and sharp images of the obverse and reverse--helps establish the full context of what were looking at. Thanks.
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Pillar of the Community
 United States
6464 Posts |
It's a 2022-P. Whatever else it might be, it definitely isn't glue. I can soak the coin in acetone, but I very much doubt that feature is coming off. It's possible that it was pushed up by tiny PMD nicks, but if you look closely, some of the blobs appear to be part of the window frame.  |
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Pillar of the Community
United States
6464 Posts |
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Pillar of the Community
United States
6464 Posts |
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Pillar of the Community
Canada
6244 Posts |
2020 till 2022 end the plated the die for hardness. Could be from this. Mike wrote an article about. Why? Because at the pace they strike the Nickel at about 800 coins a minute they want the dies to survive more the 60 minutes.
Edited by silviosi
06/22/2023 10:12 pm
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Moderator
United States
34397 Posts |
Quote:
It's a 2022-P. Perfect thx. I've adjusted your title this time, but please include that info in future threads. "If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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Pillar of the Community
United States
5770 Posts |
Your closeup over the doorway is nice and clear.
Those are die chips caused by something damaging the die.
Words of encouragement are one of the major food groups.
We need to consume them regularly to thrive and grow.
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Pillar of the Community
United States
6464 Posts |
Right, but what is that something? All the die chips I have seen so far (with my own eyes) are on weak edges—the hornets nest, between FS and the foundation, on the narrowest parts of bent back letters like M and S, on the broken posts of mint marks. The striking process generates stress, and the weakest points flake off chips. That makes sense to me.
These chips seem disconnected from features. The cluster happens to be over a window, but I don't think the shallow edges of the window caused stress chips. It looks like something—for lack of a better term—sprayed the die surface and caused the chips. Like maybe a corrosive substance sprayed onto the die and damaged the polished surface. The best option that my imagination could conjure was grit like polishing compound was on the surface, and someone blasted it off with compressed air. Silvio's thought about plating would make sense, as that is probably done via a solution and/or electroplating.
Edited by Brandmeister
06/23/2023 09:43 am
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Moderator
United States
187702 Posts |
Interesting discussion.  |
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Forum Dad
United States
24150 Posts |
Quote:
Whatever else it might be, it definitely isn't glue. I can soak the coin in acetone, but I very much doubt that feature is coming off. I couldn't tell you how may people have said that.... until it comes off. |
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Pillar of the Community
United States
6464 Posts |
Errers wrote: I looked at that entry. It does bear some similarity to this surface. But the rust spots seemed very shallow compared to this nickel. Also, the ERef example didn't seem confined to a particular area, the whole die face seemed rusted. I also considered the possibility that the die cracked along the edges of the window, but the chips couldn't escape immediately. So the original chips got smashed back into the die surface a bunch of times before finally falling out of the machine. |
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Replies: 29 / Views: 1,276 |
Posted 06/22/2023 8:27 pm
