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May Have Finally Gotten Stung With A Counterfeit

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Author Previous TopicReplies: 11 / Views: 3,767Next Topic  
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bjorn's Avatar
United Kingdom
24 Posts
 Posted 10/10/2012  8:29 pm Show Profile   Bookmark this topic Add bjorn to your friends list Get a Link to this Message Number of Subscribers
I have avoided most modern counterfeits over the last fifteen years, even when buying Chinese material but I was in a hurry the other day when I picked up a 1926 French Indochina Piastre. At first I thought it looked fine, but it weighs just a bit too heavy at about 27.64 grams. Here are some pictures of it - any thoughts?

May-Have-Finally-Gotten-Stung-With-A-Counterfeit
May-Have-Finally-Gotten-Stung-With-A-Counterfeit
May-Have-Finally-Gotten-Stung-With-A-Counterfeit
May-Have-Finally-Gotten-Stung-With-A-Counterfeit
May-Have-Finally-Gotten-Stung-With-A-Counterfeit
May-Have-Finally-Gotten-Stung-With-A-Counterfeit
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ArrowsAndRays's Avatar
United States
1656 Posts
 Posted 10/10/2012  9:39 pm  Show Profile   Bookmark this reply Add ArrowsAndRays to your friends list Get a Link to this Reply
1. These are really pretty coins.
2. What, besides weight, makes you think it is a fake?
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rachums107's Avatar
United States
3345 Posts
 Posted 10/10/2012  9:56 pm  Show Profile   Bookmark this reply Add rachums107 to your friends list Get a Link to this Reply
Honestly, looks ok to me. What is the weight supposed to be? Reeds look evenly placed, details in lettering look good. I would only ask about the lack of detail in the Liberty's face, but assume that is just wear
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stud722's Avatar
United States
1088 Posts
 Posted 10/10/2012  10:15 pm  Show Profile   Bookmark this reply Add stud722 to your friends list Get a Link to this Reply
After looking at it, I would say it doesn't look too bad.
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Peter THOMAS's Avatar
Australia
2830 Posts
 Posted 10/10/2012  10:16 pm  Show Profile   Bookmark this reply Add Peter THOMAS to your friends list Get a Link to this Reply
looks cleaned, but nothing ele about it scares me.
All French coins are beautiful.
Valued Member
14ers's Avatar
United States
230 Posts
 Posted 10/10/2012  10:40 pm  Show Profile   Bookmark this reply Add 14ers to your friends list Get a Link to this Reply
The extra 0.64 grams is only 2.37% off the spec weight. Typically, how close were they to the exact weight? Is that within tolerance?
If I could only be correct 97.63% of the time!
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wheatiefan's Avatar
United States
507 Posts
 Posted 10/10/2012  10:49 pm  Show Profile   Check wheatiefan's eBay Listings Bookmark this reply Add wheatiefan to your friends list Get a Link to this Reply
Nothing about it screams 'fake' to me. But then I am so hesitant to buy these that I would not pick one up in a hurry, either. If it is fake it is well made.

If the weight is the only thing that bothers you try weighing it on different scales or checking that your scale is calibrated with some reference weights.

-wheatiefan
Pillar of the Community
614 Posts
 Posted 10/10/2012  11:19 pm  Show Profile   Bookmark this reply Add tzarmarko to your friends list Get a Link to this Reply
I love this coin design, especially Liberties tail.
New Member
bjorn's Avatar
United Kingdom
24 Posts
 Posted 10/11/2012  08:25 am  Show Profile   Bookmark this reply Add bjorn to your friends list Get a Link to this Reply
To be honest, it was mostly the weight - although the reverse denticles seemed a bit weak. The lettering concerned me for a bit, but it seems to almost exactly match some legitimate examples from the period (albeit different years). How does the edge reeding look? I had read somewhere that it could be a bad sign if the reeding tends to spread into the rims as it turns 90 degrees into the obverse and reverse of the coin.

p.s. I turns out that my scale is a bit off, as it measures a somewhat worn Buffalo nickel (perhaps VF) at exactly 5 grams, the weight of a newly minted one. I'll update if and when I get it calibrated.

-Bjorn
Edited by bjorn
10/11/2012 08:27 am
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sel_69l's Avatar
Australia
21786 Posts
 Posted 10/11/2012  08:45 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
Bjorn: You have alluded to a problem that your scales may be inaccurate; that may be so.

If it weighs the same or slightly heavier than a genuine coin and IS a fake, it should be slight thicker than a genuine example. .900 silver alloy has a density of about 10.35 g / cc. A copper lead alloy could be made to achieve the same density, but it would have to be silver plated to look like a silver coin. Any small impairment in the silver plating would be obvious under 10x magnification.

Vernier calipers are a useful tool for determining thickness in this case. With a bit of luck it isn't to hard to find someone measure the thickness for you.

One of my favorite tests to detect a modern fake is to do a comparison ring tone test against a known genuine example. Costs nothing, only problem is that a known genuine example needs to be available.

You may need to take it to a dealer to test against an example in a dealer's inventory.

The pictures presented seem to show a genuine coin to my eye, but if you are doubtful, some simple tests are available.
Edited by sel_69l
10/11/2012 08:51 am
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wonghinghi's Avatar
Hong Kong
1270 Posts
 Posted 10/11/2012  09:33 am  Show Profile   Bookmark this reply Add wonghinghi to your friends list Get a Link to this Reply
bjorn, your coin looks ok and I don't think it is fake. It looks like made by silver. The date of your coin is not rare and I don't believe the counterfeiter will use real silver to produce a fake coin. Of course, a S.G. test will confirm the fineness of silver of the coin.

I would like to show you a counterfeit and a real piece of the same year 1908 for your comparison.

Specification of the counterfeit coin below:
26.51 grams (target 27.0)
39.50mm (by caliper)
S.G. 8.66 (far from std. 10.2-10.3); so not made of silver



May-Have-Finally-Gotten-Stung-With-A-Counterfeit

May-Have-Finally-Gotten-Stung-With-A-Counterfeit

May-Have-Finally-Gotten-Stung-With-A-Counterfeit

Specification of the real piece (below):
26.83 grams
39.0 mm
S.G. not measured because I am sure it is real.



May-Have-Finally-Gotten-Stung-With-A-Counterfeit

May-Have-Finally-Gotten-Stung-With-A-Counterfeit

As the counterfeit is not made by silver so it is thicker than the real piece to attain a closer standard weight. The lower one of the scan below is the counterfeit coin.



May-Have-Finally-Gotten-Stung-With-A-Counterfeit

If you still believe your coin is fake, you can sell it to me. I will suppose your coin is an error coin or you have to weigh it again to make sure you are correct.

Henry
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wonghinghi's Avatar
Hong Kong
1270 Posts
 Posted 10/11/2012  09:40 am  Show Profile   Bookmark this reply Add wonghinghi to your friends list Get a Link to this Reply
Sorry, one more. The counterfeit coin is medal alignment while the real one is coin alignment.
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