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hi all, is pcv-free flip a good choice for long term storage? Is it better to seal the flip? thanks

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  • CiccioCiccio Posts: 1,405
    A PVC free flip is a good solution. If you can heat seal it, even better.
    Otherwise you can choose to put your coins in airtites (blowing the dust away before you put the coin in).
  • fivecentsfivecents Posts: 11,207 ✭✭✭✭✭
    PVC free or mylar flips can become brittle and crack open at the bottom of the flip overtime. This can allow the coin to fall out of the flip.
  • And make sure it's really PVC free. My own experience with both flips
    and cardboard 2x2's is that they are both lousy choices for long-term
    storage. Soft flips are of course bad for the coin and we all know that.
    Mylar or other harder-plastic flips are hard to seal. The 2.5x2.5 (like
    you'd use for a PCGS submission) may be easier to seal, but they'll
    also require a larger (non-standard) box. Cardboard 2x2's, even if they
    use inert plastic, can develop pinholes in the plastic through which the
    coin can become toned or corroded. These pinholes usually happen
    because of the staples on adjacent holders. You can prevent this by
    putting something between the 2x2's in the box, either a piece of
    cardboard or an unused flip.

    I like to use Whitman (or equivalent) snap-together plastic holders.
    They are hard, they protect the coin, they don't have staples.

    With any kind of storage that uses plastic, a real problem is that a
    little speck of dust on the inside of the holder can cause a spot later.
    I've seen this happen with 2x2's and also with Dansco albums.
    Perhaps those kinds of storage generate more static electricity due
    to moving plastic. Some dealers have told me they get rid of the
    dust by wiping on their (polyester) shirts. My thought is that gets
    rid of the dust now, but it also imparts a static charge that is going
    to attract more dust in the future. My solution is to use a can of
    compressed air like you'd use for cleaning out a computer. You can
    buy these at office supply stores like Staples. I blow all the dust off
    flips, 2x2's, the Whitman holders, and the Dansco albums and
    their plastic slides. The compressed air may also generate static
    electricity as it blows across the plastic, but so far I've had good
    luck with it.

    Mark
    The Secret Of Success Law:
    Discover all unpredictable errors before they occur.
  • 19Lyds19Lyds Posts: 26,492 ✭✭✭✭


    << <i>PVC free or mylar flips can become brittle and crack open at the bottom of the flip overtime. This can allow the coin to fall out of the flip. >>

    This doesn't take as long as one might think.

    Long term storage should be with 1½ x 1½'s for 25 cents and smaller, 2x2's for 50 cents and 2½x2½ for one dollar and up. Use a clinch stapler and flatten the staples. Don't stuff the boxes full leaving plenty of room to remove coins.

    It's a lot of work and your hand gets tired but its well worth it.

    Thats my opinion.
    I decided to change calling the bathroom the John and renamed it the Jim. I feel so much better saying I went to the Jim this morning.



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  • LanLordLanLord Posts: 11,726 ✭✭✭✭✭


    << <i>

    << <i>PVC free or mylar flips can become brittle and crack open at the bottom of the flip overtime. This can allow the coin to fall out of the flip. >>

    This doesn't take as long as one might think.

    Long term storage should be with 1½ x 1½'s for 25 cents and smaller, 2x2's for 50 cents and 2½x2½ for one dollar and up. Use a clinch stapler and flatten the staples. Don't stuff the boxes full leaving plenty of room to remove coins.

    It's a lot of work and your hand gets tired but its well worth it.

    Thats my opinion. >>

    Dang, that's my mistake, I've had 4 boxes explode on me recently. I thought it was a terrorist plot to ruin the hobby image
  • TevaTeva Posts: 830
    If its silver you may want to try those little manilla envelopes.image
    Give the laziest man the toughest job and he will find the easiest way to get it done.
  • I've found that the 2.5x2.5 flips can fit neatly inside a PCGS plastic storage box. You can generally fit two comfortably in each slot where one PCGS slab would go. You can even that way store your raw and graded coins together. And, if you're like me, you probably have a PCGS Blue Box breeding program. They're very prolific.
    Improperly Cleaned, Our passion for numismatics is Genuine! Now featuring correct spelling.
  • pursuitoflibertypursuitofliberty Posts: 7,359 ✭✭✭✭✭
    I like to use Whitman (or equivalent) snap-together plastic holders.
    They are hard, they protect the coin, they don't have staples.



    This, to me, is the best long term storage for singles. I have had coins in these for 14+ years that have not changed at all, including red copper ... while many of the coins in my albums have ... and they have been stored in the same locations.

    The only downfalls are for very inexpensive coins, as the snap-tite's run at least 40c each (last I checked, which was a while ago) ... and for odd and off sizes, as only the most common US sizes are produced (to my knowledge).






    “We are only their care-takers,” he posed, “if we take good care of them, then centuries from now they may still be here … ”

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  • rmpsrpmsrmpsrpms Posts: 1,957 ✭✭✭✭✭
    Yep, those Whitman snap together holders are the bomb. Store all my "permanent collection" in them.
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