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<p>[QUOTE=&quot;non_cents, post: 1843238, member: 30970&quot;]The coin can&#039;t really &quot;bulge&quot; because it is confined to the space between the dies, which in general does not allow for the coin to warp as you suggest.</p><p><br /></p><p>From the pics provided, my guess would be progressive indirect design transfer. <a href="http://error-ref.com/progressive-indirect-design-transfer-.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://error-ref.com/progressive-indirect-design-transfer-.html" rel="nofollow">http://error-ref.com/progressive-indirect-design-transfer-.html</a>[/QUOTE]</p><p><br /></p>

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