tungsten filled gold coins

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... a firm called ChinaTungsten Online which proudly markets its broad "tungsten-alloy services" including, you guessed it, the gold plating of various tungsten formulations among them "gold" bricks, bars and, yes, coins. ...

http://www.zerohedge.com/news/2012-09-24/get-your-fake-tungsten-filled-gold-coins-here


http://www.tungsten-alloy.com/tungsten-alloy-scan-gold-coin.html

 
I don't like these fake coins, but I like fake money even less. I'm starting to see these articles more often, so gold must be kicking tail.
 
I wonder if it is harder* to fake allow coins such as Krugerrands and AGEs versus .9999 pure coins/rounds.

* by harder, I mean to end up with a coin/round that has nearly the same specs and therefore hard to detect.

It would be interesting to see how these fakes measure up on a Fisch tester.
 
Yo, PMBug, one thing I have been trying to follow is this whole counterfeiting story (while on vacation).

I saw at ZH that very smart replier "seek" wrote that the gadget to get would be an Ultrasonic Thickness Gauge. I gather that measures the speeds of sound through different metals, and just about any tungsten in the coin or bar would show a faster speed than gold. "seek" wrote that these devices can be gotten for $160 and up.

I want to look into this more upon my return.

DCFusor or others who know materials well might want to comment...

***

On the other hand, I would not mind buying one or two of those tungsten blanks to check them out. How they "ring" when they hit the sidewalk (or granite, etc.) , what they sound like when struck by a spoon, etc.

Anyone who buys any 1 oz tungsten coin blanks, please let us know what they are like. If I get one or more, I will let you guys know.
 
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