Message:

<p>[QUOTE=&quot;Insider, post: 2690465, member: 24314&quot;]<span style="color: #b300b3">Take what GDJMSP, posted as gospel:</span></p><p><br /></p><p>1. &quot;The terms conserve or conservation are nothing but euphemisms for cleaning.&quot;</p><p><br /></p><p>2. &quot;C<u>leaning</u> a coin IS NOT a bad thing.&quot;</p><p><br /></p><p><span style="color: #b300b3">Now, I&#039;ll add some thoughts about the processes you ask about.</span></p><p><br /></p><p>Stork, posted: &quot;Acetone/organic solvent is more like &#039;washing off&#039; a coin.&nbsp; No metal changes, just taking off some kind of contaminant to stabilize the surfaces and reveal the natural coin.&nbsp; <span style="color: #b300b3">True. However, in many cases, a coin will &quot;look&quot; more attractive if it is not squeaky cleaned of the organic films on its surface.</span></p><p><br /></p><p>&quot;&#039;dipping&#039; is a chemical process that removes/changes at the micro level.&quot;&nbsp; <span style="color: #b300b3">True, dipping as we refer to it (acidic) removes surface oxidation.</span>&nbsp; </p><p><br /></p><p>&quot;Cleaning is &#039;a scrubbing&#039; of some sort&quot;&nbsp; <span style="color: #b300b3">No, holding a coin under running water is cleaning.&nbsp; Dipping a coin is cleaning.&nbsp; As soon as any &quot;scrubbing&quot; (that leaves traces) is involved, you are <b>improperly</b> cleaning. <span style="color: #000000">&quot;...</span></span>a metal movement on the macro level to get rid of some gunk/toning and leaves the hairlines.&quot;</p><p><br /></p><p>&quot;Polishing is <span style="color: #b300b3">one of</span> the most egregious example--might look good <span style="color: #b300b3">(to someone uninformed)</span> from a distance but up close is pretty awful and obvious.&quot;</p><p><br /></p><p>&quot;Doctoring is actively changing a property of the coin (adding toning with chemicals/environment actively applied, or doing something to conceal a flaw such as putty/laser).&quot;&nbsp; <span style="color: #b300b3">Close enough.</span></p><p><br /></p><p>&quot;I forgot what the real definition of whizzing is, but IIRC it is an extreme chemical stripping process.&quot;&nbsp; <span style="color: #b300b3">Actually in the late 1960&#039;s the ANA <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> defined whizzing just as you have - a chemical process. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /> Now we know that was nonsense.&nbsp; Whizzing is a mechanical alteration done to imitate mint luster.&nbsp; It is characterized by the movement of metal into raised ridges on the relief.&nbsp; If the ridges are absent, it is not whizzing but some degree of buffing.&nbsp;&nbsp; </span></p><p><br /></p><p>&quot;To me &#039;conservation&#039; is supposed to be a &#039;spa treatment&#039; where the coin has a problem such as PVC/surface contamination of some sort and this is removed by someone who knows what they are doing.&nbsp; But, also, might involve some sort of minimal chemical processing which CAN do some slight alteration with the goal of maximizing what is already present.&nbsp; Sort of like going to a spa vs. going to the plastic surgeon or the dermatology clinic.&nbsp; One is to enhance the reality, the other is to get a new reality.&quot;&nbsp; <span style="color: #b300b3">This is another pretty good statement; however, conservation (cleaning) may also involve some &quot;plastic surgery!&nbsp; It helps if you didn&#039;t see the patient before or during the surgery - only after great results...LOL.</span>[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in