How often do coins turn in holders??

ar18

How often does this happen. How good are PCGS holders vs. anacs, ngc ect. and what do you do if this happens??

Best Regards,

Jeff

Catch22

I don't know how often it happens, but it certainly can happen if stored improperly. You still need to do your part by keeping the coins stored in a dry and temperature consistent location. I suspect you could take a blast white coin and stick it in your attic for the summer and it will react irregardless of the holder it's in.

nwcs

If you store a slab improperly I'm sure a good percentage of coins will change. And a slab will not protect a coin from an improperly rinsed dip or artificial toning. A slab does provide excellent protection for stable coins put in a reasonable environment.

ar18

I keep my coins in a safe with guns and a golden rod dehumidifier, are dehumidifiers bad, do you need a certain amout of humidity??

Best Regards,

Jeff

BAJJERFAN

<< <i>NGC holders are the WORST offenders. You se a majority of coins acquire a purplish ring around the rims. >>



Must be something in the teflon then.

jacktheknife

I have a goldenrod dehumidifier in my safe as well. I am thinking about adding another or some other form of dehumidifier as I collect only bright red copper and am totally paranoid about it turning in the holder.

Jack

Coinosaurus

I have about 100 PCGS/NGC/ANACS silver coins in a safe deposit box, one for sure has turned over the years (although not in a bad way), and a couple of the others have turned somewhat. The vault is not humidity controlled but is probably on the dry side. I generally do not buy high end uncs (that people are more likely to have messed with).

lava

Interesting thread. I have heard stories of coins turning because of fingerprints.

Boom

Luckily, perhaps, I have not had one coin turn in any holder. Legend is correct about leaving out the neutralizing process when dipping. My mentors have all taught me that should I dip #1- Do NOT dip at full strength. cut the dip to 3 parts water to one part dip( whether it's jeweler's cleaner, e-zest, MS 70...whatever) #2- The acid must be neutralized and taken off the surface completely. #3- after a THOROUGH rinse-make sure coin is COMPLETELY dry!!

Funny part about all this is I am old school and have yet to dip a coin! One says baking soda mixed with water works well to neutalize, another recommends after this, putting it in soapy water, changed constantly if doing a lot. But the best doesn't even involve dip at all. TOP SECRET! When in doubt-DON'T!

Conder101

The early NGC slabs (NGC 2-5) from before the began using the "keyed" insert with the groove to seperate the label from the coin area, have a reputation for causing coins to turn due to reaction with outgassing from the label.

BillJones

The worst offenders are copper and silver coins. In both cases the coins that turn are usually pieces that have dipped to make them red or white. And as Laura and others have said if the dipping solution is not neutralized when the coin is slabbed, it will turn. With copper coins it might turn anyway because the exposed copper is more likely to re-tone because copper is more chemically reactive.

This is one of the dangers you face when you buy red copper. Sometimes the original coins mellow naturally. Other times the coins have fooled with, and the results can be a total disaster. I've seen Proof Indian cents with high grades on the holder marked "red" that were completely ruined. I'm sure that the coins did not look that way when they were slabbed. And sometimes it's hard to tell if the coins have been messed with. A couple of the worst examples that I saw were in the inventory of very honest and knowledgeable dealer. Even the pros can get stuck on this stuff. That’s why I shy away from most 19th century red copper. A lot of it has been “enhanced.”

I've had the most problem with silver commemorative half dollars. Many collectors expect these coins to be white and those who submit these coins for grading want to accommodate those customers by dipping the coins. The coins might hold up for a while, but after a couple of years many retone ugly or grow some "carbon spots."

mnmcoin

I think it happens alot more often than people think...especially on earlier holders. I would have to go counter what some people say on this thread and say that I have seen alot more PCGS coins turn than NGC...it seems to me that NGC has taken measures to improve their holders for many reasons and I think this is a major one that needs alot of consideration and to me NGC has improved their holders so that very few coins have changed significantly in their holders...at least for the last holder or two...PCGS just hasn't felt the need I guess.

I also think that the series that I have seen change most is Lincoln Cents, I have seen hundreds of earlier Lincolns in Red holders that are clearly RB and even BN coins.

morris <><

BillJones

Yes, mnmcoin, I have to agree with you.

I've seen more coins go "really bad" in PCGS that the modern NGC holders.

When slabs first come out years ago I generally avoided them as a collector, but I disliked the concept. For that reason, perhaps, I don't much about the NGC holders that do not have the "keyed" insert.

byergo

I have a couple very nice rainbow morgans in the old "no line" ngc holders. Should I be concearned about the slab messing with the coin by causing additional toning, and altering the look? Should I get 'em reholdered asap?

Myqqy

These "no line" old NGC holders will tone the heck out of a coin. The green label PCI holders will tone coins even worse than the "no line" NGC holders.

Has anybody had coins tone in ngc or old pci (or pcgs for that matter) where it enhanced the eye appeal of the coin? Or have the results typically been unattractive?

fivecents

buyergo....I would be VERY concerned about those coins toning out very dark in those holders. I have several of the old "no line" NGC holdered toners myself that I am going to get reholdered before they turn.

GoYankees

A C G slabs don't have that problem. They have those little plastic nibs that prevent the coin from turning in the holder.

fivecents

<< <i>Has anybody had coins tone in ngc or old pci (or pcgs for that matter) where it enhanced the eye appeal of the coin? Or have the results typically been unattractive? >>


Most of the coins I have seen the holders tone have actually enhanced the coins with beautiful colors.

michael

ttt

LincolnCentMan

I've seen a LOT of high grade PCGS proofs with haze on them. I generally try to stay away from them... (I'm talking about the pre-1959 ones... not sure about the moderns.)

David