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I understand what you are saying but...My Monster Toned Coins will remain as monster toned coins until I sell them because I am confident in my climate controlled stable storage for these slabbed coins. As for what happens 50 years down the road, after a few owners, don't know don't care. I will have been dead a very long time by then.
I believe most are stable(including mine) but there are certainly a few that are not.
Edit: Something can tone over a period of 6 months to a year...or 10-20 years due to the environment the coin is stored in. If you remove the coin from the unstable environment and provide it with a stable environment, it is likely to stop toning...for the most part at least.
I believe most are stable(including mine) but there are certainly a few that are not.
Edit: Something can tone over a period of 6 months to a year...or 10-20 years due to the environment the coin is stored in. If you remove the coin from the unstable environment and provide it with a stable environment, it is likely to stop toning...for the most part at least.
GrandAm 

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What I'm saying is, naturally toned coins are, and have always been, a safe bet. Those that looked for a quick fix to get a coin into a slab will likely experience long term effects of the methods used.
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In honor of the memory of Cpl. Michael E. Thompson
If a coin has been encapsulated properly and sees no fresh air it's toning will be arrested and it shouldn't change any over the next 1000 years. If it's in an environment where compounds that produce toning are present, then it stands to reason some effect will occur.
At least some evidence of this stability (at least within the roughly 30 years of slabbing) is seen with rainbow toners found in OGH plastic. But I suppose that unless you've owned the coin for the entire time of its entombment, nothing is absolutely certain...
Hey. Maybe we can create a market like they did for Chocolate Diamonds.
ANA 50 year/Life Member (now "Emeritus")
Global warming will release multiple gasses into the atmosphere and they're all going to tone black.
Hey. Maybe we can create a market like they did for Chocolate Diamonds.
He was asking about in the next 50 years - in most cases, the toning source or agent has been removed when it gets encapsulated.
Not to hex myself here....the majority of my collection is toned in one way or another. I've owned slabbed toners for over a decade and noticed no change whatsoever in their colors or vibrancy. Of course slabs aren't completely air-tight, and an especially humid storage environment likely wouldn't be good....but still, I think that the collectors coming long after us will appreciate the same eye appeal that we see today.
At least some evidence of this stability (at least within the roughly 30 years of slabbing) is seen with rainbow toners found in OGH plastic. But I suppose that unless you've owned the coin for the entire time of its entombment, nothing is absolutely certain...
How many years did those spend in a canvas bag and that's the worst that happened to them?
While 98% of my toned coins have remained stable while I've owned them, I submit this example as one that continued to tone while in the PCGS holder. Completely red when I purchased it, it has turned green across Liberty's breast area. Actually prefer the after condition to the before condition, as green is always a plus on toners IMO.
Shot new photos of this one earlier this year. Doesn't appear to be changing much in the last 4 years.
I'm very interested in this topic, but since there are OGH holders older that are older than I am, I don't have the experience of a longer time-frame some other collectors have to see it for myself. I get that many coins are "helped" along, but what about more naturally toned coins over a long time; end roll toners, bag toned, coin cabinet toning, tissue paper toning, old album toning, old white ANACS or PCI toned coins...can people speak to whether those would be "stable" or does it depend on the coin and the environment?
I answered the question of stability in my first post in this thread.
In honor of the memory of Cpl. Michael E. Thompson
Q: What did these Trade Dollars trade for 50 years ago,(excepting date rarities, mind you) regardless of color ?
A: Mostly under $10. Get it ?
IOW, can you buy any color of Trade Dollar for under $10 today ? I think not.
"Everything is on its way to somewhere. Everything." - George Malley, Phenomenon
http://www.american-legacy-coins.com
My 1866 Philly Mint Set
Now recently dipped coins are another story....especially if they were not properly rinsed. I'd had some sit in my same SDB environment and slowly turn to neutral browns and golden yellows over 7-12 years. It could take decades for that process to grind to a halt.
With that said, Id be just as worried my white coins would darken as much as my toners if stored wrong.
When you say MONSTER I believe you are referring to the top of the line and exquisite results of natures handiwork. The best of all conceived of known toning on any particular denom, not just run of the mill or average toning. When discussing monsters, well, it's uncharted territory. Passions run high. It triggers something in the heart of a coin collector not fully understood.
I'd say the OP is right that buying a monster may not be the safest bet, nothing in the hobby is a sure thing. If white turns your crank, then sweet! Dip, dip, dip till your luster is washed away. Personally I'm for less dipped first then maybe dip under a short list of reasons.
Well I'm assuming we're talking about silver here, heck, coppers a whole new set of rules. Toning vs BN whatnot, gold too.....there's right looks and wrong. Buy less wrong and you'll be fine but drawing a line between toning/non toning seems weird if you love coins.
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Tarnish is a result of contamination...remove the source and tarnish stops. It will commence again if further contaminants are introduced. Cheers, RickO
I'm very interested in this topic, but since there are OGH holders older that are older than I am, I don't have the experience of a longer time-frame some other collectors have to see it for myself. I get that many coins are "helped" along, but what about more naturally toned coins over a long time; end roll toners, bag toned, coin cabinet toning, tissue paper toning, old album toning, old white ANACS or PCI toned coins...can people speak to whether those would be "stable" or does it depend on the coin and the environment?
I answered the question of stability in my first post in this thread.
TomB- Thanks for the insight.
Brian- Thanks for your experience as well.
I guess storing it in a neutral environment is key, but I plan on keeping an eye on my hoard to see if any coins do show toning progression...time will tell.