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<p>[QUOTE=&quot;Chinoiserie, post: 11882694, member: 79460&quot;]Well it seems that the two metals are heated to near melting point to bond them.&nbsp; After the laminate of silver is applied to the copper it is then rolled and hammered. Not sure how thin the silver ends up. The repousse work would stretch the silver even more in the high points. I guess after the processing, there would be a layer in between the copper and silver that would be a mixture of the two. A bit like marble cake. One website stated that OPS should last &#039;generations&#039; before showing signs of wear. So 200 years is perhaps long enough.[/QUOTE]</p><p><br /></p>

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