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<p>[QUOTE=&quot;Bronwen, post: 704585, member: 5833&quot;]Hmm.&nbsp; I have no other examples that are so starkly white.&nbsp; Have to wonder if this isn&#039;t plaster of Paris, even though the depressions on the back are of the sort seen on many dripstone pieces.&nbsp; When flipped, you can see how the hollows on the back follow some of the lines on front:</p><p><br /></p><p>[ATTACH=full]187393[/ATTACH]</p><p><br /></p><p>It also strikes me as possibly not made by traditional methods.&nbsp; Maybe if you rush it any bubbles do not have time to escape to the back &amp; pop.[/QUOTE]</p><p><br /></p>

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