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<p>[QUOTE=&quot;GDJMSP, post: 4588220, member: 112&quot;]There&#039;s a couple of things that collectors need to keep in mind when it comes to flips, both kinds of flips, vinyl flips and mylar flips, can and will harm coins. They each harm them in different ways, but both are harmful.</p><p><br /></p><p>With vinyl flips you have the PVC residue to worry about. But it needs to be noted that PVC residue is a time related issue. What I mean is this, if you put your coin in a vinyl flip and it&#039;s only to be in that flip for week or 10 days - it&#039;s not gonna hurt your coin. That&#039;s because it takes time, usually a good bit of time, measured in months and or even years for PVC residue to be released and accumulate on a coin. In a week or 10 days - it aint gonna happen.</p><p><br /></p><p>Mylar flips on the other hand can harm your coin the very first time you put it in the flip ! And while it&#039;s in the flip, and the very first time you take it out of the flip ! So, in the flip, and putting it in and taking it out - all can harm your coin. The reason is mylar is a hard, and sharp plastic, particularly sharp on the edges at the opening of the flip. And that sharp edge can and will scratch and or hairline your coin when it is put into or taken out of the flip - each and every time. And while the coin is in the flip the coin moves around. And since the plastic is hard the coin moving around against that hard surface can and will cause wear on the high points of the coin.</p><p><br /></p><p>Now of you take great care when you put coins into or take them out of mylar flips the risk of scratches/hairlines is minimized somewhat, but it is always there. And while the coin is in the flip, wear is always being caused. It may be slight with each movement, but it is happening, and wear is cumulative.</p><p><br /></p><p>So when you send your coins in to a TPG in a mylar flip, don&#039;t be surprised if when you get it back you see a light scratch or a hairline or two, or three or four that wasn&#039;t there before. Odds are you caused them yourself simply by using the flip. And of course the TPG may have caused a few more when they took the coin and or put it back in - at least 3 and sometimes 4 graders look at each coin before it is ever slabbed. And each one takes it out and puts it back in.</p><p><br /></p><p>What&#039;s the answer ? Simple, don&#039;t use flips ! Admittedly you&#039;re kinda stuck when you send coins in to TPGs, but you&#039;re sure not stuck when ya use them yourself - THAT&#039;S a choice you make ![/QUOTE]</p><p><br /></p>

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