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Bought Some Ebay Fakes

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hammerrob's Avatar
United States
98 Posts
 Posted 03/17/2012  11:45 pm Show Profile   Bookmark this topic Add hammerrob to your friends list Get a Link to this Message Number of Subscribers
For a while now I've been thinking of buying some of the fake coins being sold on ebay. Once ebay banned overtly selling fakes I got serious and bought 12 fakes for coins that I'm interested in (generally crown-sized silver coins). Want to get a better understanding of how good these can be, and how to identify them. Anyway, a few observations/questions:

* Scary. the 12 coins + shipping from Hong Kong - $30. The details on the coins are so good that I don't want to think how good a $10 fake might be. I'm going to need to re-examine some of the coins in my collection.

* Having said that, a magnet quickly identified 7 as fakes. They were noticably underweight, too.

* The other 5 were only slightly underweight - 25 grams with EF/AU details on a Japanese Yen that should weigh 26.96 grams. The diameter also came up a few hairs too wide on the calipers. These are the ones that are really scary. Does anyone know what they might be made of to put them so close to the right weight?

I'll be comparing these to some of the coins in my collection and report back... hopefully without having to report that I'm questioning my good coins!

Rob

Pillar of the Community
SteveCaruso's Avatar
United States
1796 Posts
 Posted 03/18/2012  12:59 am  Show Profile   Bookmark this reply Add SteveCaruso to your friends list Get a Link to this Reply
Starting a black cabinet is a lot of fun. :-)

Any number of alloys are employed nowadays by counterfeiters, and in some cases (for rare dates) they even use actual silver. For lighter metals, however, they tend to make the planchets a bit thicker to compensate.


I'm actually getting around to documenting and numbering mine on the Numismetrica Blog (link in signature), but these are primarily US coins.

On the blog I'm going over a number of criteria (magnetism, diamagnetism, ring, weight, diameter and thickness) as well as any other readily identifying marks (if it's a fantasy date, die markers, etc). If you want to, if you can get some nice pictures of the obverse and reverse and fill out the sheet, I can include what you find in the listings.

One of the dealers I get counterfeits from was recently marauded by a number of fake silver yuan. I'm considering grabbing them the next time I go in along with the usual US counterfeits. :-)
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