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<p>[QUOTE="GDJMSP, post: 2696646, member: 112"]Yes to the 1st question, and probably yes to the second.</p><p><br /></p><p>There are several very common issues with cardboard 2x2s. 1 - the cardboard contains sulphur which can cause unwanted and unsightly toning to occur. 2 - the thin mylar offers very little in the way of protection so the coin can become scratched or acquire contact marks right through the mylar. 3 - the 2x2s almost always contain small amounts of cardboard dust and/or small particles of cardboard. This dust and the small particles are capable of scratching the surface of the coin during the course of normal movement of the box, album, or folder that holds the 2x2s. And even if scratches are avoided, which is unusual, once the cardboard dust or small particles get onto the coin over time the cardboard decays. And as it decays it causes black or dark spots to appear on the surface of the coin. 4 - the staples. Even if staple scratches are avoided the staples themselves are made of metal and this metal corrodes over time. And as it corrodes it releases additional gasses that usually cause discoloration to the coin.</p><p><br /></p><p>Bottom line, cardboard 2x2s, though popular, are a very poor choice for coin storage. The Air-Tite like holders the coins come in are a far better choice for storage as they have none of these inherent problems. And they offer superior protection to the coins.</p><p><br /></p><p>And yes, they do make archival quality albums that hold Air-Tites.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 2696646, member: 112"]Yes to the 1st question, and probably yes to the second. There are several very common issues with cardboard 2x2s. 1 - the cardboard contains sulphur which can cause unwanted and unsightly toning to occur. 2 - the thin mylar offers very little in the way of protection so the coin can become scratched or acquire contact marks right through the mylar. 3 - the 2x2s almost always contain small amounts of cardboard dust and/or small particles of cardboard. This dust and the small particles are capable of scratching the surface of the coin during the course of normal movement of the box, album, or folder that holds the 2x2s. And even if scratches are avoided, which is unusual, once the cardboard dust or small particles get onto the coin over time the cardboard decays. And as it decays it causes black or dark spots to appear on the surface of the coin. 4 - the staples. Even if staple scratches are avoided the staples themselves are made of metal and this metal corrodes over time. And as it corrodes it releases additional gasses that usually cause discoloration to the coin. Bottom line, cardboard 2x2s, though popular, are a very poor choice for coin storage. The Air-Tite like holders the coins come in are a far better choice for storage as they have none of these inherent problems. And they offer superior protection to the coins. And yes, they do make archival quality albums that hold Air-Tites.[/QUOTE]
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