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please help with one more item - frog
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<p>[QUOTE="wanderer, post: 4400004, member: 16309"]Hi Hollyblue,</p><p><br /></p><p>Thank you very much for a link to a website with metals, alloys and patinas colors. It is an excellent reference guide.</p><p><br /></p><p>I had a close look on my little bronze vase which I accident scratched inside (someone filled it with a cement and it was a mammoth task to remove it). The patina on it is soft red-brown and an underlying metal is yellow. The little frog’s patina is dark brown and underneath it – pink metal. So maybe it is 4% Copper with Cobalt (if it was colored in ammonia solution). </p><p>Does anyone know if Shakudo (3 %) or pure copper can oxidize naturally to dark brown color?</p><p><br /></p><p>As for the price - this frog did not cost me an arm and a leg (or a kidney) because I bought it from an estate auction.</p><p><br /></p><p>It would help a lot if someone would be able to translate the mark's characters. I hope that it would be someone who's username starts on "A" and who, I hope,is still a member of an International Netsuke Society <img src="styles/default/xenforo/smilies/smile.png" class="mceSmilie" alt=":)" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="wanderer, post: 4400004, member: 16309"]Hi Hollyblue, Thank you very much for a link to a website with metals, alloys and patinas colors. It is an excellent reference guide. I had a close look on my little bronze vase which I accident scratched inside (someone filled it with a cement and it was a mammoth task to remove it). The patina on it is soft red-brown and an underlying metal is yellow. The little frog’s patina is dark brown and underneath it – pink metal. So maybe it is 4% Copper with Cobalt (if it was colored in ammonia solution). Does anyone know if Shakudo (3 %) or pure copper can oxidize naturally to dark brown color? As for the price - this frog did not cost me an arm and a leg (or a kidney) because I bought it from an estate auction. It would help a lot if someone would be able to translate the mark's characters. I hope that it would be someone who's username starts on "A" and who, I hope,is still a member of an International Netsuke Society :)[/QUOTE]
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