@DoubleEagle59 said:
I guess now we have to determine if this example would be market acceptable.
I vote NO.
If you bought an MS66 sight unseen from a dealer list and that coin showed up, would you feel disappointed? I would because I want my ASEs or anything else less than 50 years old to be fairly white. Does that mean it's not market acceptable? I don't know. I wouldn't buy it though.
@Rooster1 said:
What characteristics are on this coin to tell wheather it is AT or NT?
While it is possible that this is NT (I've seen some weird stuff in a gas heated building with silver dumped into buckets for such a long period that there were spider webs over the bucket openings) I don't think it is "market acceptable." I don't like the colors or the pattern.
One thing I have noticed is that no one has mentioned that silver is photo reactive. Also if one were to put a silver coin, that is not cleaned dipped or otherwise treated, into a bezel and hang it in a window for a period of time would it considered AT if it picked up colors?
@DoubleEagle59 said:
I guess now we have to determine if this example would be market acceptable.
I vote NO.
If you bought an MS66 sight unseen from a dealer list and that coin showed up, would you feel disappointed? I would because I want my ASEs or anything else less than 50 years old to be fairly white. Does that mean it's not market acceptable? I don't know. I wouldn't buy it though.
I don't buy anything "sight unseen" without a return privilege.
It is a colorful SE graded by a top TPGS. Since I don't hate pretty colored tarnish, I should be ecstatic to receive the coin as long as I got it at my price. Besides, the greater fool theory indicates that someone else will like it more than me and pay more than I did!
@CollectorBonEZ said:
One thing I have noticed is that no one has mentioned that silver is photo reactive. Also if one were to put a silver coin, that is not cleaned dipped or otherwise treated, into a bezel and hang it in a window for a period of time would it considered AT if it picked up colors?
Some would say AT because the hand-of-man "helped" a natural process to take place. I say natural toning. As long as "color" is desirable, coins will be "helped" to achieve the "in" look. .
@Insider2 said: @giorgio11 posted this coin:
Pull away toning on obverse none on reverse. This raises two questions.
What causes this type of toning (pull-away) next to the relief? I have a theory I have posted before, what is yours?
Okay, it is on the reverse. Why is it missing or less pronounced on the reverse. Thus coin puts a hole in my theory.
The pull away is because the metal surface is different in that spot. Either because the strike revealed some metal that did not get pre-treated and is truly virgin/clean or because the strike itself changes the surface roughness and the type of reactive sites available on the metal. The clear lines indicate that it can't be caused by a gas diffusion mechanism, much like on the more dramatic example posted by Insider2 on the last page.
What people forget is that metal with different hardness (for example legend, as hardness increases when metal flows into the recesses of the die) reacts with toning agents at different rates. If you have a coin with the same color spanning both field and legend - it was accelerated. Im guessing this is also the reason for pull-away toning being described above.
Comments
@giorgio11 posted this coin:
Pull away toning on obverse none on reverse. This raises two questions.
What causes this type of toning (pull-away) next to the relief? I have a theory I have posted before, what is yours?
Okay, it is on the reverse. Why is it missing or less pronounced on the reverse. Thus coin puts a hole in my theory.
If you bought an MS66 sight unseen from a dealer list and that coin showed up, would you feel disappointed? I would because I want my ASEs or anything else less than 50 years old to be fairly white. Does that mean it's not market acceptable? I don't know. I wouldn't buy it though.
IG: DeCourcyCoinsEbay: neilrobertson
"Numismatic categorizations, if left unconstrained, will increase spontaneously over time." -me
While it is possible that this is NT (I've seen some weird stuff in a gas heated building with silver dumped into buckets for such a long period that there were spider webs over the bucket openings) I don't think it is "market acceptable." I don't like the colors or the pattern.
One thing I have noticed is that no one has mentioned that silver is photo reactive. Also if one were to put a silver coin, that is not cleaned dipped or otherwise treated, into a bezel and hang it in a window for a period of time would it considered AT if it picked up colors?
https://www.pcgs.com/setregistry/mysetregistry/showcase/6602
I've always said, I wish the powers that be would stop determining whether or not a toned coin is NT or AT.
Rather, they should grade it as either 'market acceptable' or 'NOT market acceptable' (both with the corresponding condition grade given on the slab).
I really think this would improve matters greatly.....not perfectly, but a whole lot better than what it is now.
"“Those who sacrifice liberty for security/safety deserve neither.“(Benjamin Franklin)
"I only golf on days that end in 'Y'" (DE59)
Some would say AT because the hand-of-man "helped" a natural process to take place. I say natural toning. As long as "color" is desirable, coins will be "helped" to achieve the "in" look. .
I prefer the way they do it now.
The pull away is because the metal surface is different in that spot. Either because the strike revealed some metal that did not get pre-treated and is truly virgin/clean or because the strike itself changes the surface roughness and the type of reactive sites available on the metal. The clear lines indicate that it can't be caused by a gas diffusion mechanism, much like on the more dramatic example posted by Insider2 on the last page.
IG: DeCourcyCoinsEbay: neilrobertson
"Numismatic categorizations, if left unconstrained, will increase spontaneously over time." -me
What people forget is that metal with different hardness (for example legend, as hardness increases when metal flows into the recesses of the die) reacts with toning agents at different rates. If you have a coin with the same color spanning both field and legend - it was accelerated. Im guessing this is also the reason for pull-away toning being described above.
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