Please tell me what is going on here:
1984worldcoins
Posts: 636 ✭✭✭✭✭
So, whats up with all those criss crossing lines? This is an uncirculated coin from a bank set.
Coinsof1984@martinb6830 on twitter
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IMO: looks like poor die preparation and metal flow.
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Poor die preparation I understand, but what do you mean by metal flow?
Coinsof1984@martinb6830 on twitter
Could it be a cast fake?
A lot of that is die wear. The criss crossing lines might be gouges from hasty die refinishing before putting the worn die back into service.
People call them flow lines, but I always found that term counter-intuitive. It's die erosion. Like water flowing over sand, erosion preferentially occurs where more flow is. Once a narrow channel starts to form, material moves more quickly in those channels, which then creates more erosion. And that's one of the reason why you end up with this non-unfirom, textured wear patterns on dies. On the microscopic level, these imperfections tend to grow rather than get evened out through continued use.
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No, its from a bank set bought from a safe source, and also cheap, no point in making a cast one.
Coinsof1984@martinb6830 on twitter
Looks like “die rust.” I see that more often on ancient coins vs modern coins
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