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<p>[QUOTE=&quot;Colonialjohn, post: 3006680, member: 57741&quot;]Not to self promote but one of contemporary circulating counterfeits - World chapter of &quot;Forgotten Coins&quot; was a modern fake but it was unintentional and put out by Readers Digest in the 20thC.. What people do then is use acid to remove the copy or replica area. I did a SEM/EDS analysis and saw a high level of chlorides in that area I believed was etched suggesting a mineral acid such as hydrochloric acid was used. It verified the etching process in my opinion. Good thread! In the beginning I thought the same in this thread that Young was wrong and this was a good burial find. Yes using a Modern Chinese coin then performing an acid etch or some other slow corrosion. The weight on this coin would prove interesting. In general as a coin goes from Mint State to say VG as is this coin or higher it may lose only ~ 5% of its weight. We did this study in the first book of Counterfeits Eight Reales with Robert Gurney. Good thread - he is a CROOK. Remember - many of these Chinese gangs use U.S. Ebay fronts then after 50 or so transactions open up a new account. Great side by side pics!</p><p><br /></p><p>John Lorenzo</p><p>Numismatist</p><p>United States[/QUOTE]</p><p><br /></p>

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