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<p>[QUOTE=&quot;DonnaML, post: 4596151, member: 110350&quot;]An interesting comparison, [USER=75496]@Carl Wilmont[/USER].&nbsp; I think the question of whether there&#039;s a casting seam on the Facebook example (I assume you&#039;re talking about the reverse) may depend on whether you see the dark area on the left as a raised area above a casting seam, or a flat area beneath (and put in shadow by) the raised edge of the coin -- what you see as the casting seam. In other words, it seems to be an example of the Necker cube effect.</p><p><br /></p><p>Did you look at the coin forgery network example at <a href="http://www.forgerynetwork.com/asset.aspx?id=E8YTju~x~YGP0=" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.forgerynetwork.com/asset.aspx?id=E8YTju~x~YGP0=" rel="nofollow">http://www.forgerynetwork.com/asset.aspx?id=E8YTju~x~YGP0=</a> ? If so, what do you think? (I also gave a link to a post on the forumancientcoins discussion boards, but one may have to sign up as a member to be able to see the photo.)[/QUOTE]</p><p><br /></p>

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