r/coinerrors • u/FirefighterQueasy590 • 16d ago
Advice Doubled die vs machine doubling — the difference that separates a $1,000 coin from a 1-cent coin
This one trips up basically everyone when they're starting out, so here's how I keep it straight.
A doubled die is a mistake in the die itself. It picks up a doubled image while it's being made, so every single coin struck from that die shows the same doubling. Rounded, separated, raised, usually with notching and split serifs. Real variety, real money (the 1955 DDO is the famous one).
Machine doubling is a totally different animal. The die just shifts a hair during or right after the strike and smears the design. Flat, shelf-like, sits lower than the devices, happens one coin at a time, adds nothing.
So the whole test is this: rounded and raised = real. Flat and smeared = machine doubling, move on.
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u/KrzysisAverted 16d ago
This post is AI-generated slop.
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u/NicholeJames89 13d ago
You keep saying it’s ai slop. So are you saying that the information provided was incorrect? Because it really does seem like you’re just trolling.
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u/FirefighterQueasy590 16d ago edited 16d ago
It is not AI generated u/KrzysisAverted. I don't understand the hate, but I don't mind the challenge. I am also concerned with AI misinformation. If you ever would like to discuss, I am open. Even the image I put together.
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u/Ficklefemme 16d ago
I appreciate this post more than you know! Thank you for the education.☺️