This is why you should NEVER use 2x2's.

Well, for coins that I value, but DON'T put in my home-made albums for airtites, this is what I do:

I put the coins in Airtites with black rings. Then I sandwich the (T-size, A-size) Airtite in a US dollar 2X2 and staple 'er shut.

Yeah, it looks kinda ghetto, with the mylar bulging out, but it holds together. It also will stack well on its edge inside my coin box with others like it.

The only problem is price: A 2X2 alone is a lot cheaper than buying airtites AND 2X2s...

 

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What kind of 2x2 are you people using? Cardboard coming off, staples, compressed air ...why would you put your coins in those cheap things?

There are high quality 2x2's out there, bit more expensive but totally worth it. Lighthouse (Leuchtturm), Lindner, Hartberger, are all great brands. They leave no cardboard behind, it won't come off with age, they don't require staples. I would never staple one of my 2x2's. The only thing is to make sure you use larger diameter 2x2 than your coin diameter, so that the edge of the coin won't make contact with the glue on the holder. All my coins are in 2x2's and never had a single problem.

Those staples may rust with time, if you use an album and place those stapled 2x2's one on top of another....poor coins on the last album page will have to support pounds of weight, and those staples may cause problems not only to album pages, but to coins themselves.

You can buy 1000 of those 2x2's for about 50 euros, that's little more than a nickel a piece.

 

I use Ait-Tites too...the one with the black rings. The company says the rings are inert.

As much as I like the Ait-Tites I just bought a used Dansco and stuffed my ASEs into and I really like it!

 

Any excuse to play with my coins....

"Sorry honey, I would love to mow the lawn/build that shelf/renovate the bathroom again, but I need to remove the newly formed cardboard dust from my coins!!"

 

As far as I know, there are only 2 types of 2x2s...the kind you seal with staples and the kind that come with adhesive tabs to seal. Now, I don't know the specific formulas they use...but my only concern would be what is in the adhesive and is it inert? Glues contain all kinds of chemicals and I'm not sure if I want my coins around that. But, that said...it might be the same stuff that adheres the Mylar window to the cardboard (perhaps another reason why 2x2s aren't all that great).

 

This is so frustrating sometimes in the dental chair. It's amazing how many people are so much more knowledgeable about oral health and I am.

 

Ha!! Try being a geologist, and arguing with religious relatives!!!

 

LOL, I can only imagine.

 

For dollar size airtites I use these pages to store them in binders:



Here is the link to the review I did:

http://www.cointalk.com/threads/airtite-storage-pages-mini-review.237363/#post-1800457

 

Seriously, for coins which are stored in rows in a box or case and largely undisturbed except for occasional viewing, is wear due to movement in 2 x 2 mylar flips really a concern? It's not like I'm lugging them around like a dealer or something.

And would you store proof coins in mylar flips, or stick to airtites for those when they are unworthy of slabs?

 

Not to me as the last time I checked, there simply was no movement of the coin in the 2x2.

I think that anybody who believes that a coin moving under the mylar flip in a 2x2 is going to cause measurable wear is really reaching.

Coin wear is usually a combination of weak die strike and metal to metal rub such as what occurs when coins are in pockets or scraped along a cash register till while being counted out or sliude across a countertop or being shook up in a penny jar or any other number of conditions where a coin would come into contact with a "hard" surface..

I just do not believe that mylar plastic will cause ANY type of measurable wear or even luster breaks. Especially if they are in a 2x2 box.

 

putting coins into Dansco type albums with slides is far more likely to rub an Unc coin into an AU coin. 2X2's are fine if you flatten the staples and don't overcram the box, put your really good stuff in slabs ( PCGS or NGC).

 

Coin Flips and 2x2's are two different cats and the flips that PCGS warns against were the flips used for submitting coins where grit caused some hairlines on the coins when it was slip into the flip. Their alternative were some small poly bags that the coin went into and then went into the flip.

A coin secured in a correctly fitting 2x2 with whatever means you prefer (flattened staples, tape, gummy tape) will not move in any amounts large to cause wear or damage.

Folks can believe whatever they want to believe and the above is what I believe due to my experience with 2x2's and flips.

 

The info I found from PCGS related to flips specifically concerned PVC flips. Only caution on Mylar was inserting and removing the coin. I'll use the flips for common coins, and plastic snap cases for anything critical.


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