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<p>[QUOTE=&quot;satootoko, post: 127144, member: 669&quot;]The very first step in counterfeit detection is to weigh the coin accurately.&nbsp; If you don&#039;t have a delicate enough scale, your neighborhood jeweler does.</p><p><br /></p><p>The official weight range is 26.9568-27.25 grams.&nbsp; A cast piece would probably weigh in at around 19-22g.&nbsp; Flunking the weight test is conclusive that the coin is one of the many fakes.&nbsp; There may well be more phony Hong Kong Dollars than real ones, unfortunately. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />&nbsp; Many are contemporary counterfeits, made to circulate as if they were real.</p><p><br /></p><p>The next test for any crown-sized coin, especially one that had Trade Dollar status in the Far East, is a careful examination of the surface, especially in the fields.&nbsp; A porous look or rough surface to the metal is indicative of casting and a smooth surface - possibly with detectable flow lines - would be the result of stamping pressure.</p><p><br /></p><p>The pictures aren&#039;t at a high enough resolution for me to form an opinion on the surfaces.<img src="http://boards.collectors-society.com/images//graemlins/confused-smiley-013.gif" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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