This "rash" is most likely the result of die deterioration as I have seen other, similarly affected nickels.
As some others have said, the obverse of the nickel features a "stepped" or multi-level cud that possibly grew over time.
This cent was either stuck on a planchet derived from rolled-thick zinc stock or struck on a planchet that received an unusually thick coating of...
The puffy, indistinct letters and numbers are the result of die deterioration.
This is die scrape from a feeder/ejector. It's width, sharpness, direction, and the fact that it is restricted to the field proves this to be the...
Definitely a "squeeze job" (vise job, hammer job, garage job, smash job, etc.).
See the November 9, 2020 issue of Coin World for an alternative explanation.
Judging from the northerly position of Lincoln's ear on the brockaged face, this is a counterbrockage/clashed cap strike. The die cap, which was...
On the die, part of the D of WISDOM chipped off, leaving the incuse letter incomplete on the coin.
Fred is correct. The letter fadeout is due to intentional die abrasion.
It's not a Malaysian 1 sen planchet, as those are composed of copper-plated steel. The OP's coin is composed of copper-plated zinc. It's also...
The cent is an early-stage brockage with a partial collar error.
As several others have said, this quarter was sanded down outside the Mint. You can even see the copper core beginning to be exposed around the...
Crushed outside the mint with an overlapping cent.
It's also a perfect illustration of why the ostensibly synonymous term "major die break" is ridiculous.
These do look more like solid corrosion domes (zinc rot) rather than hollow plating blisters.
Someone took an unstruck 5c planchet and squeezed two buffalo nickels into the available surfaces. In other words, a vise job.
Although this die void is tiny, it does qualify as a cud.
It does appear to be a concave chain strike, with the vertical ridges generated by a previously struck coin.
Inverted die setups were re-introduced in 1992, in the Denver Mint.
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