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<p>[QUOTE=&quot;808 raver, post: 2719467, member: 4654&quot;]Ok I&#039;ve just studied my 200 year old Canton puzzles, I don&#039;t have a close up photo but there are no Schreger lines, and if what you say is correct then they should be visible on these. Half way down the page sitting on a ebony writing slope. </p><p><a href="https://www.antiquers.com/threads/uk-to-ban-ivory.26227/page-2#post-351101" class="internalLink ProxyLink" data-proxy-href="https://www.antiquers.com/threads/uk-to-ban-ivory.26227/page-2#post-351101">https://www.antiquers.com/threads/uk-to-ban-ivory.26227/page-2#post-351101</a>&nbsp; </p><p>If your trying to determine if a piece is ivory the last thing you want to do is look for Schreger lines because many items won&#039;t have visible evidence.[/QUOTE]</p><p><br /></p>

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