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<p>[QUOTE=&quot;Insider, post: 2398470, member: 24314&quot;]One of the members <span style="color: rgb(179, 0, 0)">@ </span><span style="color: rgb(0, 0, 0)">him! <span style="color: rgb(179, 0, 0)">@ </span><span style="color: rgb(0, 0, 0)">comments on dipping and cleaning threads and developed Verti-Care (but you know all that - right?).</span></span></p><p><span style="color: rgb(0, 0, 0)">We are having a discussion and it seems that the usage/meaning of certain descriptive adjectives has changed from the way they were used when I learned about the surface characteristics of coins in the past.&nbsp; I&#039;m curious to know when this happened.&nbsp; That&#039;s why the age of <span style="color: rgb(179, 0, 0)">@ </span><span style="color: rgb(0, 0, 0)">matters.&nbsp; The change either took place before or after he came of age.&nbsp; The fact that he actually is a young professional numismatist who makes a living with coins lends more weight to his opinions as he may have helped change long held definitions of patina and verdigris.&nbsp; </span></span></p><p><span style="color: rgb(0, 0, 0)"><span style="color: rgb(0, 0, 0)">Change is inevitable.&nbsp; Long ago coins were called &quot;double dies.&quot;&nbsp; Decades ago the correct term &quot;doubled die&quot; replaced it. I already mentioned in the 1970&#039;s that the ANA taught &quot;whizzing&quot; was chemical cleaning.&nbsp; So now, I want to research the &quot;change&quot; that has taken place to &quot;verdigris.&quot;&nbsp; <span style="color: #b30000">@ </span><span style="color: #000000">may know something...that&#039;s all.</span></span></span></p><p><span style="color: rgb(0, 0, 0)"><span style="color: rgb(0, 0, 0)">&nbsp;&nbsp; </span></span>[/QUOTE]</p><p><br /></p>

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