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no need to
...always wait for a consensus of opinion. :)
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According to "New Posts" this thread is "Answered"...what was the answer?
As the die is used, it is periodically greased. Sometimes the grease (and other debris) builds up in the die cavity that creates the coin relief...
My favorite NYC building.
Probably, but he got all huffy and left
Yes, that is a close AM or CAM.
Kind of like a Magic 8-Ball
I remember the first one-centavo I saw and wondered what kind of US issue it was...
...so not corrupt, just inept
@GDJMSP
Perhaps, sodium sulfite is a mild reducing agent which will oxidize from sodium sulfite to sodium sulfate while the copper oxide reduces to copper...
Nice job of grinding down the obverse and smoothing it. Damage
If i use a lower case g is that OK? :)
I would like for someone to investigate the use of mild reducing agents such as sodium sulfite as a copper coin brightener.
Olive oil is a tried and true "cleaning" agent often used for ancient coins to remove crud from the ages. The consensus of opinion is that it...
uh...nowhere on that site does it say acetone removes luster...IT DOESN'T
...are you sure?
Separate names with a comma.
