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<p>[QUOTE=&quot;Publius2, post: 16440723, member: 105571&quot;]I find Goo Gone effective at removing the gum residue from stickers.&nbsp; A little bit on a paper towel is all you need and some elbow grease.&nbsp; Don&#039;t use much at all as it&#039;s hard to remove the last bits of it from the slab and I don&#039;t want little pools of it in the crevices.&nbsp; No negative effect on the slab that I have been able to discern.</p><p><br /></p><p>I&#039;ve had various measures of success (from no success to complete success) removing scratches using several brands of polishing compounds including Mequiars PlastX, and Novus.&nbsp; None seem to have much effect on significantly deep and broad scratches/gouges.&nbsp; Seem to work better on PCGS slabs than on NGC.</p><p><br /></p><p>When I take photos, if the slab has small scratches and scuffs, rather than trying to polish them out I dab on a very small amount of clear mineral oil and wipe off the excess, sometimes having to work the oil into the scratch.&nbsp; The oil fills the scratch making it invisible to the camera.&nbsp; Clean off when the photo session is over.[/QUOTE]</p><p><br /></p>

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