Ain't gonna' happen, everyone will be congratulatory.
If memory serves correctly, MS70 is potassium hydroxide (not much different from sodium hydroxide) and some sort of solvent (including water).
Kurt is a home brew guy...
Must be an error coin, it's upside down!!! :) No, seriously folks, the cracks are usually meaningless for non-pristine foreign coins, but...
Fun stuff. One thing about ancient collectors, they seldom if ever ridicule anyone else's coins.
How did the size of the British Penny compare to the size of a US large cent?
BTW, pretty coin
Thanks, I'm sure I will remember that (Anderson Cooper eye-roll)...:)
Be careful if you drink expensive coffee...
So does aluminum. Surface chemistry is a difficult field. And actually we have seen some beautifully toned nickels on here.
Mine was just a deductive guess. Wait for some of the gurus who have worked at the mint (or have a good understanding of the minting process).
I would guess the dies clashed and as a result of this, they rotated.
More reading would be good. Also, knowing how many coins we are talking about here is important. Advice on how to deal with 10 coins would be...
I'm sure people would be willing to buy if they had some idea of what is in them.
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