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<p>[QUOTE=&quot;physics-fan3.14, post: 7603255, member: 19165&quot;]Excellent memory. It was even worse than you describe, however. I took a cotton cloth and rubbed the fields of a Kennedy proof. Afterwards, I examined it and could find no hairlines.</p><p><br /></p><p>In my many, many yeas of gently conserving coins with Q-tips, I&#039;ve never seen scratches left on a coin from gently using a clean Q-tip. I always use water or acetone to wet the Qtip before applying.</p><p><br /></p><p>I challenge anyone who claims a (properly used) Qtip will damage a coin to take clear before pictures. Apply the Qtip. Carefully document the process you used. And then take clear after pictures showing the damage. I&#039;ll believe it when I see it. Of course if you&#039;re using a dirty Qtip with particles embedded in it, you&#039;re going to scratch the coin. But the Qtip itself... highly unlikely. </p><p><br /></p><p>[ATTACH=full]1309113[/ATTACH][/QUOTE]</p><p><br /></p>

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