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<p>[QUOTE=&quot;ranchhand, post: 65727, member: 2622&quot;]Acoin that has been treated in some way that changes</p><p>its general appearance is said to have ALTERED</p><p>SURFACES. A coin’s surfaces can be altered in</p><p>many ways, but some of the more common methods</p><p>include whizzing and polishing, and adding “fill in”</p><p>substances to hide defects.</p><p>A WHIZZED coin is one whose surfaces have been</p><p>treated with a rapidly rotating wire wheel in order to make</p><p>the coin appear to be brilliant uncirculated. A POLISHED</p><p>coin could be buffed by hand or machine, while a</p><p>BURNISHED one is buffed by hand, in either case it is</p><p>often performed in an attempt to remove surface</p><p>imperfections that could lower the coin’s grade.</p><p>LACQUER is a clear chemical that is sometimes</p><p>applied to the surface of the coin to protect it. Over time,</p><p>however, this coating can crack, flake and discolor, giving</p><p>the coin an undesirable appearance. In the past, countries</p><p>lacquered coins at the mint before shipping. Therefore this</p><p>process can occur at the mint or afterwards.</p><p>ALTERED[/QUOTE]</p><p><br /></p>

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