Why are my Prez Dollars toning?

So, to put it shortly, my Prez Dollar proofs are toning and I don't know why. Today I decided to flip through and admire my collection. I got to the Prez Dollars to find that 5 of my clad proofs are toning (or at least I think it's toning). I honestly don't know why. I house all of my coins in the sereis collection in 2X2's (or at least something similar) and then house them sequentially in the plastic sheets. Below you will see an example.



I have several photo album binders for each denomination. Each are stored on a book shelf in my room. Room itself is kept anywhere from 70-74 degrees, depending on the day.

As for the toning, here's an example from our 5th President-tried for different angles so you could see what I'm refering to. I am horrible at capturing tone.





See how President Monroe's face is sort of cyanotic/pale looking? This pale coloration is present on both obverse and reverse of at least 5 different proofs and I'm not sure why. Any help would be greatly appreciative, as I really don't want the golden hues to go out after only a couple of years. The only other thing that I think that could help in this discussion is that we did put in an air conditioner in the room next to mine that could contribute to the issue. Still makes me wonder why none of my other clad proofs have toned though. Thanks again.

 

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It may be their holder having something wrong with it, or that there is too much moisture in the room

 

Could be some pvc buildup on the coin. Take it out and feel the edges...are they sticky? This happens!
Its always a good idea to put them in new flips every so often. I try to change mine 1x a year!
I also put my proofs and satins in capsules. Since I started hoarding satins, Ive made lighthouse coin capsules a small fortune!

 

Well, the reactivity of the alloys was something I wasn't considering. I honestly don't think the flips are an issue as I'm sure they are relatively inert and I do try to change them every 3rd year. I wasn't sure how much an air conditioner in the next room would affect the moisture content of the air...just disappointing knowing they'll tone a little I guess. Thanks for the info and thoughts.

 

My Dansco Pres Album with environmentally protective slip cover has toned them nicely! The Intercept Shield album seems to have no tone. Maybe Intercept's 2x2 boxes would help?

 

A simple fact that you or a Fullfiment center employee happened to exhale when handing the coins migth of started the process. It has happened to me with other coins especially proofs over the years. I have even had it happen to coins that are slabbed. Toning of coins seems in many cases to be a random and natural process that we as collectors have little control of but I like the suggestion of the Intercept boxes. The priciple is to sacafice the material that is impregnated into the box to save the coins seems valid to me.

 

You want to see one really tone, put it in you pocket every day for a week. Therewill be a little of every color imaginable in no time. I know this because I buy a roll or two to spend from time to time.

 

From what I understand these coins tone if you look at them funny.

The best way to store these types of coins (in my experience) is to put them in an airtite (or a slab), and put them in a place that is very constant temperature wise, with low humidity and sulfur, with little airflow immediately around the airtite.

 

where do you get those holders and the binder pages?

 

Mylar 2X2's and plastic display sheets come in a Whitman package found at my local Hobby Lobby. Set comes with 100 2X2's of various denominations and 20 sheets. Not a bad deal I didn't think.

 

I think I may try the pocket thing on a pres. dollar, be cool to see the results, maybe 1 in left, 1 in right, just to see

 

My youngest son can get these coins to tone within a day or two. lol. He likes to hold onto coins and by doing so, it drastically changes the color of these presidential / native american dollars.

 

I'm looking at 'em cross-eyed and they're "toning" as I speak......

 

I don't collect them very much and I was given some the other day at a collector store, I was buying a 20 2x2 pocket page, an IHC folder, and 1 cent tube, and he gave $3 of my change in Presidential dollars and a SBA! The presidential dollar was fine, and when I took it out of my wallet a few days latter and it was black! I was sad, so I bought some ice cream with them!

 

Buying ice cream with "black" Pres dollars is good Taylor.......

 

OMG, that is sooo rasist green!

 

Dang. Wasn't meant to be. Allow me to rephrase.......

Good thing to buy ice cream with coloured Pres. dollars. Dat better?

 

And I aint's no racist. Some of my best friends and neighbors are of the African American persuasion......