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An Error Made By Forgers And Collectors Both.

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Pillar of the Community
swamperbob's Avatar
United States
5362 Posts
 Posted 07/17/2010  5:00 pm Show Profile   Bookmark this topic Add swamperbob to your friends list Get a Link to this Message Number of Subscribers
I have noticed several instances where an 8 Reales coin has been listed as having 20 grams of silver in it. I have also wondered for years why so many Chinese fakes seem to target 20 grams as a final weight (range 18-22 grams being most common). I wondered why not at least try for 26 or 27 grams?

This error has been made by both collectors and counterfeiters. It struck me that it is most likely due to a simple error in the interpretation of the legend on the coin. This incorrect reading would provide a simple reason for why so many of the Chinese crude forgeries weigh about 20 grams.

So for discussion sake here is an example of an auction where the seller is making that error.

http://cgi.ebay.com/ws/eBayISAPI.dl...300446177740

I initially hesitated to point this fact out because I do not want to have the forgers correct this obvious error BUT since it is well known that an 8R has an actual weight of about 27 grams, I felt there was more to be gained by correcting the error in the minds of novice collectors. I wonder how many collectors make the same error because they ASSUME they know what it means.

The legend on the coin above reads:

8R Zs 1830 OM 10Ds 20 Gs

This can be broken down into 5 distinct elements each of which has a different meaning and purpose. A collector should know the meaning of each of the 5 elements. Here are the elements separated and underlined.

8R.......Zs......1830......OM......10Ds 20 Gs

Most of the meanings are obvious - right?

8R...........Denomination
Zs...........Mint - Zacatecas
1830.........Date
OM...........Assayer Initials

But how many collectors can actually explain the LAST element 10Ds 20Gs?

That is the silver assay and it means 10 Dinaros 20 Granos

The last word is Granos NOT Gramos - it DOES NOT MEAN the coin contains 20 grams of silver. It has NOTHING to do with grams.


Quote:
In the fineness system represented, pure silver is 12 dinaros and there are 24 granos in a dinero. Therefore, 10 dineros 20 granos is(10 + 20/24)/12 or 0.9027 fine silver.


The quote is from page xvii of "Resplandores" by Dunigan and Parker, 1997.

The Balance Scale Pesos expressed the same alloy as 902.7 which is an easier to understand notation.
Has anyone out there ever made this error?

Just for fun - did anyone notice any other factual errors the seller has made in this posting?
Valued Member
lorax's Avatar
United States
162 Posts
 Posted 07/17/2010  8:17 pm  Show Profile   Bookmark this reply Add lorax to your friends list Get a Link to this Reply
That is some good information, I didn't know it but I will have to file it away.
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fcrazo's Avatar
United States
651 Posts
 Posted 07/17/2010  9:16 pm  Show Profile   Bookmark this reply Add fcrazo to your friends list Get a Link to this Reply
Thank you for your work again SwamperBob!
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akglen's Avatar
United States
170 Posts
 Posted 07/19/2010  8:48 pm  Show Profile   Bookmark this reply Add akglen to your friends list Get a Link to this Reply
OK then swamperbob....what else is out of order here? I hate missing the obvious!
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swamperbob's Avatar
United States
5362 Posts
 Posted 07/19/2010  9:27 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
I was wondering if anyone had even noticed the final question.

Actually, I am bidding on this coin. That should answer the question!

What the seller failed to tell everyone was that the coin is a COUNTERFEIT. The coin is a Riddell variety. It is a redated version of the # 223. The 223 is a very common counterfeit because the die was made using a forged King Punch. The eagle which is a very good copy is seen on many different counterfeit Zs dies with dates from 1829 to 1834. The dies are not all identical in terms of letter spacings so it is obvious that different dies were made, but they all use ONE eagle.

The eagle has a Broken Toe. Here is a file copy of an 1832 I own.



An-Error-Made-By-Forgers-And-Collectors-Both.

Here is the auction coin dated 1830 - notice the TOE on the eagle's foot that grasps the cactus.



An-Error-Made-By-Forgers-And-Collectors-Both.

Here is another an 1833 that I won a couple days ago.



An-Error-Made-By-Forgers-And-Collectors-Both.

They all share the same EAGLE.
Edited by swamperbob
07/19/2010 9:52 pm
Pillar of the Community
swamperbob's Avatar
United States
5362 Posts
 Posted 07/20/2010  10:24 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
Well, I won the coin for $20.02 - it will be interesting to ask the seller if he suspected. Most do not and I believe them.

The Riddell # 223 and its many varieties is one of the 5 or 6 most successful forgeries of the era. However, the 1830 is a fairly scarce sub-type of that Riddell variety. The 1832 version is far more common.
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akglen's Avatar
United States
170 Posts
 Posted 07/20/2010  11:11 pm  Show Profile   Bookmark this reply Add akglen to your friends list Get a Link to this Reply
swamperbob...as always great information. I'm in a quandary here, on one hand you show us beautiful coins that I would love to own, on the other, you have made me so aware of the hazards of not knowing what I'm buying!
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swamperbob's Avatar
United States
5362 Posts
 Posted 07/21/2010  10:55 am  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
akglen The purpose of my posts is not only to educate collectors but to bring them to the point I reached as a late teen. I discovered that the best thing to do was LEARN FIRST and then buy. I looked at every coin I could and spoke to those older collectors who were willing to share their knowledge. When I bought coin I studied every mm under a microscope.

Some collectors are very secretive or deceptive keeping the best information to themselves so they don't have to pay more in competition with a student. I don't agree with that. I can't own every coin or even every type, I don't have the money. But my love of coins in general and counterfeits in particular drives me to make the facts generally known.

I also went to every coin show I could and LISTENED first. I was fortunate to be close enough to Boston so that large shows were available. The big ANA shows come to Boston regularly so that I had access to dealers from all over the country. I have also met many of the well known collectors who have written the books we all use today. Don't be in awe of any of them. They are really just like us.

Decide on what you want to collect (it can change over time - as most collectors interests do) - but start with the common dates where mistakes won't cost too much and then over time work up to the more expensive ones. Study the coins you get until you KNOW what they should look like. Learn how they were made and see if you can pick up clues on the coins to that process. What a REAL coin looks like is critical - then when you find a fake you will be better able to spot the differences. Over time even the subtle differences will pop right out.

If you choose to pursue forgeries as a hobby - the processes are harder to determine, but it becomes just like identifying originals. YOU WILL KNOW a coin is real or fake BEFORE you necessarily can explain to others WHY you formed that opinion. Explaining the WHY question comes with time.

Be patient and above all read. I even read Spanish texts although it is very laborious since I really do not know the language. I pick my way through word by word with translation aids.

Don't give up and don't get frustrated - the beginning is the hardest. But once you are there it is like riding a bike.


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DVCollector's Avatar
United States
10045 Posts
 Posted 07/21/2010  12:09 pm  Show Profile   Bookmark this reply Add DVCollector to your friends list Get a Link to this Reply
Your posts on Spanish Colonials are a great resource here.
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Namachieli's Avatar
United States
2120 Posts
 Posted 07/21/2010  12:39 pm  Show Profile   Bookmark this reply Add Namachieli to your friends list Get a Link to this Reply
I've definitely learned more about Mexican forgeries than I ever wanted to know. Thank you! LOL

Very good info.
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