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<p>[QUOTE=&quot;Colonialjohn, post: 2142933, member: 57741&quot;]THe first counterfeiting of gilded platinum coins occured in Columbia where dishonest workers in the mints first used solid platinum with a thin gilding and later a copper core, a thin platinum mid-layer and then the gilding. My research is continuing - see Coronado&#039;s book on Spanish counterfeits - late 18thC is your answer. Realize the fist object made in Spain from Chabaneau&#039;s malleable platinum was Francisco Alonso&#039;s chalice presented to Carolus III and then given to Pope Pius VI in 1789. Coins with struck platinum cores and being gilded preceeded this event hence their contemporary counterfeit coin status and Columbia origin. This will be discussed in my new book on CCs in 2017.</p><p>&nbsp;</p><p>John Lorenzo</p><p>Numismatist</p><p>United States[/QUOTE]</p><p><br /></p>

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