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

Discussion in 'Coin Chat' started by DISDIK, Oct 15, 2020.


    DISDIK Member

    They start to ruin the coin? Ty 16027806424575932058644632623896.jpg
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  3. Evan Saltis

    Evan Saltis College Dorm Collector

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

    Evan Saltis College Dorm Collector

    Thats my plan at least :D:p
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  5. lordmarcovan

    lordmarcovan Eclectic & avid numismatist Moderator

    Those Mylar 2x2s shouldn't present a problem, unless you stick them in pages that have PVC in them.

    I've bought some older collections that had coins in 2x2 holders like that which were 40-50 years old, and most of the coins seemed fine. Some toned, but they didn't suffer PVC damage or anything like that.
  6. lordmarcovan

    lordmarcovan Eclectic & avid numismatist Moderator

    PS- the biggest potential danger with that kind of holder is if you don't crimp your staples completely flat. I can tell from the picture that those probably aren't crimped properly. Take a pair of pliers and pinch the staples totally flat, where you can run your finger across them and barely feel them.

    This keeps one or more of the pointy ends from coming loose. If an uncrimped staple happens to snag on anything and gets bent outward, suddenly you've got a deadly spear just waiting to scratch a coin. Not the coin in that holder, but any others nearby. Many valuable coins have been ruined by staple scratches.

    You can use a flat-clinch stapler- coin supply sites sell them- even some office supply stores- but even if you just use a standard stapler, you can always grab your pliers and flatten the staples afterwards.
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  7. -jeffB

    -jeffB Greshams LEO Supporter

    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.)
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  8. Garlicus

    Garlicus Debt is dumb, cash is king.

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

    AB189F10-D0E6-473F-819A-47FE5C9EF505.jpeg 44CADFB6-2177-4D92-983B-B14F09E801AC.jpeg
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  9. lordmarcovan

    lordmarcovan Eclectic & avid numismatist Moderator

    See? Looks good.

    Staples look reasonably flattened, too. [​IMG]
  10. beaver96

    beaver96 Well-Known Member

    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.
  11. Garlicus

    Garlicus Debt is dumb, cash is king.

    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.
    Last edited: Oct 15, 2020
  12. bruthajoe

    bruthajoe Still Recovering Supporter

    I like crack bags

    Attached Files:

  13. desertgem

    desertgem MODERATOR Senior Errer Collecktor Moderator

    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.

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  14. Garlicus

    Garlicus Debt is dumb, cash is king.

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

    Garlicus Debt is dumb, cash is king.

    Hey, it’s a nickel bag, lol.


    and a dime bag

  16. Oldhoopster

    Oldhoopster It seemed like a good idea at the time.

    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
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  17. Mainebill

    Mainebill Wild Bill

    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
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  18. Conder101

    Conder101 Numismatist

    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.
  19. GDJMSP

    GDJMSP Numismatist Moderator

    Oh, the answer is it could be anywhere from 15 minutes to - well, almost never. (And yes Jeff I said almost :))

    Hundreds of thousands of coins have been kept in those and ruined, depending on how one defines ruined of course. And hundreds of thousands of coins have been kept in those and not damaged at all, depending on how ones defines not damaged at all. And the reason there is such a wide variation is because everything depends on a hundred, a thousand different variables.

    But these are the facts we know. The possibility of damage as a result of coins being kept in cardboard 2x2s is quite strong, for several reasons. The cardboard, except those of archival quality, contains sulfur and sulfur is bad for coins. The cardboard also puts off cardboard dust which can cause scratches and or hairlines on the coin. And if the dust gets on the coin and just sits there, it can cause unsightly toning spots as it decays over time. The cardboard can also absorb moisture from the very air and hold it in close proximity to the coin, and that's bad for coins. The mylar offers almost no protection for the coin. It's so thin that the coin can be scratched right through the mylar, or if something falls on it, it can cause a contact mark, same kind of thing if it is ever dropped. And then there's the potential for scratches from the staples.

    And of course, depending on one's unique storage conditions, any or all of these things can be, may be, exacerbated.

    So the real question you want to ask DISDIK, is do you want to risk any or all of these things than can happen, that have all been known to happen more times than can be counted ?
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  20. chascat

    chascat Well-Known Member

    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.
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  21. Jersey magic man

    Jersey magic man Supporter! Supporter

    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.
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