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<p>[QUOTE="Insider, post: 2876922, member: 24314"]IdesOfMarch01, posted: "<b>Definitions</b> (my personal definitions, open to modification and discussion).</p><p><br /></p><p><i><span style="color: rgb(179, 0, 179)">Suggestions</span></i>:</p><p><i><b><br /></b></i></p><p><i><b>Cleaning</b>:</i> Removal of surface debris and encrustations that were not part of the coin's surface when originally struck. Naturally occurring patinas may be removed inadvertently or purposely during this process. Note that removal of surface debris and encrustations will necessarily make the coin's surface smoother, so this definition is probably too broad for certain posters to this thread. Unfortunately I can't think of any cleaning process that doesn't make a coin's surface smoother in some respect. [<span style="color: rgb(179, 0, 179)">An acetone wash is one. While some conservation (proper cleaning) does not affect the actual surface; technically, an acidic dip - also called proper cleaning when you cannot tell it was done - does remove impurities that were parts of a coin's surface</span>.] This implies that it's <i>theoretically impossible</i> to clean a coin without smoothing it [<span style="color: rgb(179, 0, 179)">Removing a film, dirt, or oxidation on a coin chemically is NOT "smoothing" its surface</span>.], thus my original note that I've never seen an ancient bronze that was cleaned but not smoothed (other than the uncleaned lots that come out of discovered hoards).</p><p><br /></p><p><i><b>Smoothing</b>:</i> Removal of parts of a coin's original surface and/or naturally occurring patina to make the surface smoother and more even with any gouges or pitting that may have occurred after the coin was struck.</p><p><br /></p><p><i><b>Tooling</b>: </i>The addition [<span style="color: rgb(179, 0, 179)">Tooling NEVER adds any additional material to a coin. It can move existing metal into another shape.</span>] or removal of any material or features that were not part of the coin when it was originally struck. This includes the raising or lowering of any of the devices or fields.</p><p><br /></p><p>I welcome any comments or suggestions about my definitions. I find them to be usable, workable definitions when applied to coins that I'm considering acquiring."</p><p><br /></p><p><span style="color: rgb(179, 0, 179)">Remember, all these comments are just my opinions.</span> <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" /></p><p><br /></p><p><br /></p><p><span style="color: #b300b3">IMO the second posted coin is a <b>very nice job</b>. From the image, IMO they left scratches above "INA" in the small area that is harder to flatten out and the slightly depressed patch at 2 o'clock in the reverse field. I think it is "market acceptable" as is.</span>[/QUOTE]</p><p><br /></p>
[QUOTE="Insider, post: 2876922, member: 24314"]IdesOfMarch01, posted: "[B]Definitions[/B] (my personal definitions, open to modification and discussion). [I][COLOR=rgb(179, 0, 179)]Suggestions[/COLOR][/I]: [I][B] Cleaning[/B]:[/I] Removal of surface debris and encrustations that were not part of the coin's surface when originally struck. Naturally occurring patinas may be removed inadvertently or purposely during this process. Note that removal of surface debris and encrustations will necessarily make the coin's surface smoother, so this definition is probably too broad for certain posters to this thread. Unfortunately I can't think of any cleaning process that doesn't make a coin's surface smoother in some respect. [[COLOR=rgb(179, 0, 179)]An acetone wash is one. While some conservation (proper cleaning) does not affect the actual surface; technically, an acidic dip - also called proper cleaning when you cannot tell it was done - does remove impurities that were parts of a coin's surface[/COLOR].] This implies that it's [I]theoretically impossible[/I] to clean a coin without smoothing it [[COLOR=rgb(179, 0, 179)]Removing a film, dirt, or oxidation on a coin chemically is NOT "smoothing" its surface[/COLOR].], thus my original note that I've never seen an ancient bronze that was cleaned but not smoothed (other than the uncleaned lots that come out of discovered hoards). [I][B]Smoothing[/B]:[/I] Removal of parts of a coin's original surface and/or naturally occurring patina to make the surface smoother and more even with any gouges or pitting that may have occurred after the coin was struck. [I][B]Tooling[/B]: [/I]The addition [[COLOR=rgb(179, 0, 179)]Tooling NEVER adds any additional material to a coin. It can move existing metal into another shape.[/COLOR]] or removal of any material or features that were not part of the coin when it was originally struck. This includes the raising or lowering of any of the devices or fields. I welcome any comments or suggestions about my definitions. I find them to be usable, workable definitions when applied to coins that I'm considering acquiring." [COLOR=rgb(179, 0, 179)]Remember, all these comments are just my opinions.[/COLOR] :D [COLOR=#b300b3]IMO the second posted coin is a [B]very nice job[/B]. From the image, IMO they left scratches above "INA" in the small area that is harder to flatten out and the slightly depressed patch at 2 o'clock in the reverse field. I think it is "market acceptable" as is.[/COLOR][/QUOTE]
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