Eould anyone be able to tell me the approximate time a coin can be kept in one of these holders befo

They start to ruin the coin? Ty

 

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Throw it in a non PVC binder, keep in a cool dry place, and you can have decades I suppose.

 

Thats my plan at least

 

Everything everybody said so far. I've seen coins in 2x2s that were brown with age, but the coins looked fine. I've also seen coins in 2x2s that did sustain damage -- because they were kept in the damp (especially if it was enough to make the staples start rusting), or because there was a hole in the plastic, or because there was something on them before they went in the holder.

But keep your coins somewhere cool and dry, and I don't think you need to worry about anything that hasn't already been mentioned. (I'm not even sure putting a coin in a 2x2 into a PVC file page can hurt it, since the PVC won't be in direct contact with the coin -- unless it starts to attack the staples, which will be in direct contact with the PVC.)

 

This has been in the 2x2 for at least 43 years. My great uncle put it in there, and he died in 1977.

 

The coins I 2x2'd in the 80's are fine. I stored most of them in pages in 3 ring binders in my closet. I open the books now and again just to see how far my collecting skills and interest have come.

 

I know that it’s hard from the pics, but if anyone wants to comment on the condition (cleaned?), Overton (102?), and possible grade (40?), feel free to do so.

 

I like crack bags

 

Use stainless steel staples. They won't produce corrosion as quick or badly as normal steel staples. Below, after normal steel staples . Look at the relationship.
Jim

 

Your dealer uses some big bags. Either that, or you get some big rocks, lol.

 

Hey, it’s a nickel bag, lol.



and a dime bag

 

I still have coins that I put in 2x2s when I first started as a young kid in the early 70s. No problems.

Crimping the staples is a must. I keep a pair of pliers with my 2x2 supply, so it's always handy

 

I will say the 2x2s may cause a coin to tone. That’s not always a bad thing. I remember I bought an au half cent that was unnatural red when I was a teenager. 20 years later when I sold it it was mostly brown and looked a thousand times better

 

One thing that helps is to "oversize" you 2X2's. In other words put the coin in the next size large holder. The reason is when you put them in the holder they were "intended" for it can cause stretching and tiny holes in the mylar at the edge of the coin. These tiny holes let in air and cause localized toning. In the image Desertgem posted above, I'm not seeing any degradation of the staples so I would suspect those dark toning spots are cause by tiny holes in the mylar where it got stretched at the edge of the coin by the stapling. (Silver dollars really need the 2 1/2 X 2 1/2 crown size holders.)

But keeping them in a cool DRY environment will also ensure that the coins will stay good for a long long tme.

 

I use a 2x2 mylar flip inside of a 2 1/2 x 2 1/2 mylar flip. Plenty of room for notes and descriptions in the outside jacket. No worries from old rusty staples and the coins can still breathe a bit and you can remove the coin easily for viewing. They also fit nicely in double row slab boxes between the other slabs, or in NGC or PCGS single row boxes.

 

OK, here is a history question (I don’t have an answer for). What company or person first came up with these cardboard flips? Just curious, don’t mean to go off on a tangent.