Message:

<p>[QUOTE=&quot;Bronwen, post: 11424805, member: 5833&quot;]It&#039;s curious.&nbsp; Looking around at the cameos in my display cabinet, probably only a handful are in solid gold. Many frames are probably gold filled, or something that way, &amp; those often have a plain brass collar immediately around the cameo.&nbsp; And then some, including the most ornate, are brass all the way.&nbsp; Doubt any are true pinchbeck, although some may have been represented that way by seller.&nbsp; Yet, with one outstanding exception, none of them are showing greenies.&nbsp; We know that once the process starts, it spreads.&nbsp; But what are the conditions that trigger it?</p><p><br /></p><p>The exception seems like it&#039;s trying to self destruct with corrosion.&nbsp; When I first received it I cleaned it up using a jewellery wipe.&nbsp; This didn&#039;t get the green out of recessed places &amp; it returned.&nbsp; Just now decided to give it a vinegar bath, as this will not harm the carnelian intaglio.&nbsp; Seller&#039;s photo:</p><p><br /></p><p>[ATTACH=full]543138[/ATTACH]</p><p><br /></p><p>What I&#039;m trying to save:</p><p><br /></p><p>[ATTACH=full]543140[/ATTACH][/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in