Truly air tight that lasts would probably cost a lot more if the same size is kept. It could also cause problems with air transport as the differences in air pressure would cause a lot of stress on the holders. Imagine opening a box after landing and finding exploded holders like clay that was not properly prepared before firing in a kiln.
Because it can't trully be done anyway. Over time gases can permiate right through the plastic itself. The thicker and denser you make the plastic the longer it will take, but the clarity of the plastic would suffer.
Or they could fill the slab with nitrogen under pressure, which would keep other gasses out. It would, however, slowly leak out and then have to be resubmitted for a recharge. Crackouts would be a little more dangerous, although you'd be able to identify crackout artists by the shards of slab permanently embedded into their skulls.
<< <i>Or they could fill the slab with nitrogen under pressure, which would keep other gasses out. It would, however, slowly leak out and then have to be resubmitted for a recharge. Crackouts would be a little more dangerous, although you'd be able to identify crackout artists by the shards of slab permanently embedded into their skulls. >>
That would be very funny, in a bloody painful kind of way.
Or they could fill the slab with nitrogen under pressure, which would keep other gasses out. It would, however, slowly leak out and then have to be resubmitted for a recharge. Crackouts would be a little more dangerous, although you'd be able to identify crackout artists by the shards of slab permanently embedded into their skulls.
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<< <i>Because if the coins farted they would end up smelling it forever!!
Keeper of the VAM Catalog • Professional Coin Imaging • Prime Number Set • World Coins in Early America • British Trade Dollars • Variety Attribution
<< <i>Or they could fill the slab with nitrogen under pressure, which would keep other gasses out. It would, however, slowly leak out and then have to be resubmitted for a recharge. Crackouts would be a little more dangerous, although you'd be able to identify crackout artists by the shards of slab permanently embedded into their skulls. >>
That would be very funny, in a bloody painful kind of way.
That isnt true. You dont have to be in space to create a vacuum.
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John
omg