Do Accugrade holders cause artificial toning or damage on silver coins?
Azurescens
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Just wondering if some of the wild colors I see on these would straight grade, because they kinda don't look like they would.
But I've been wrong before.
Thank you in advance.
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Any photos of the coins in question?
It's up for auction at the moment and I'm hesitant to draw eyes to it. I think I can get it at a great price.
Regrettably it has that bright pink toning you always see on AT coins. But PCGS has some similar trueview that straight graded, so I don't know.
Knowing if the plastic damages coins or causes discoloration (even just generally) would help me a lot.
I don't think the holder does, but storage conditions might. Old ANACS holders are known to tone the periphery of coins.
I've been trying to run through my memory bank of people here mentioning it but can't really think of any.
My concern is PVC damage, like all those Eisenhower proofs that got eaten alive by their original government packaging. Or like similar to that but with discoloration / toning that I don't know about.
dunno about accugrade but it is known that some storage and slabs do cause toning
https://forums.collectors.com/discussion/1041090/examples-of-toning-in-an-old-pci-holder
Accugrade holders do not contain PVC. That's different than Accugrade possibly slabbing a coin that has PVC.
You're confusing the issue by considering the holder at all. Whether the toning came from the holder or not is irrelevant to whether it is market acceptable or not.
A good majority of PCI holdered coins (especially Morgan’s) have the same/identical peripheral toning….but only on the obverse. Makes me think it’s definitely something in their holders……and it doesn’t seem to have taken long to happen…..
Does PCGS normally give these PCI coins with the peripheral toning a straight grade?
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They probably slabbed AT coins.
I've read here that ANACS toning gets a pass but PCI doesn't and graders can tell. But I don't know how true that is.
Not sure, but the auction sites I watch, a LOT of the coins have almost identical perimeter toning in those holders. I’d be interested to know the same thing…..🤔
I have not seen the regular ACG holders induce toning. Possibly the early ones with photos.
Slabbed silver coins are not air-tight so storage near anything with even small levels of hydrogen sulphide will cause toning in the holder, same is even more true for copper.
If I had any nice coins in PCI holders, I would crack them out. I know a collector who left a number of really good coins, like an 1846 half dime, which was damaged by the breakdown of whatever is in the inserts in those holders.
Not a problem for the ACG holders I have. All the older holders can tone the coins, be it ACG, PCI, or ANACS the labels (and some claim even the plastic) have been known to tone the coins. The real issue is how the coins/holders are stored, proper storage vs improper storage is the bigger issue. I've owned these for twenty years or more with no change to the coins.
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I don't believe that any Ike packaging ever contained PVC, and the proofs in particular were in presumably inert hard plastic.
I habe copper and silver q's in accugrade holders... stored in a PCGS case... been there for years and I have seen no damage, instability... unlike the PCI holders
The only damage I'm aware of the ACG holders impart is to the coin's aura.
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Here's the coin. 1937-D "MS-67" Oregon Half Dollar.
https://www.ebay.com/itm/404969417796
The toning on that Oregon does not look natural to me.
My Collection of Old Holders
Never a slave to one plastic brand will I ever be.
I wonder how the auction lasted showing a number. I agree the purple looks off and suspect it was slabbed that way,
Yeah I decided to pass. Someone saw a greater value in it I guess. I've been gambling on modern bullion with no US submissions in the wings. Maybe if I had 19 others and felt like gambling $500.
There are a couple similarly toned ones in PCGS Coinfacts, but not quite like this.
I haven't seen any signs of holder toning in my collection. The few photo slabs I have with toning show the same toning in the photo.
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wasn't a fan of that dark toning