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Mexico 8 Reales 1832 Zs Overweight - 27.274g

 
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Author Previous TopicReplies: 3 / Views: 254Next Topic  
New Member

United States
24 Posts
 Posted 09/10/2021  4:57 pm Show Profile   Bookmark this topic Add hjian to your friends list Get a Link to this Message
Hi,
I encountered another overweight Mexico1832 Zs 8 reales, 27.274g. The planchet is smaller, 37.44mm, and thicker, 2.87mm, than usual 8 reales. However, SG is good, 10.33g/cm^3. My scale has 1mg resolution. The coin edge doesn't have the reversed pattern and does show two discontinuity at the opposite locations. I have not checked this coin with XRF yet.

Zs mint had the quality control issue between 1830-1836. Is this one of the examples or is this similar to the 1838 Zs 8 reales I posted couple months back? This coin also has been cleaned and doesn't have much patina las the 1838 one.

http://goccf.com/t/396104




Edited by hjian
09/11/2021 02:04 am
New Member
United States
24 Posts
 Posted 09/16/2021  6:04 pm  Show Profile   Bookmark this reply Add hjian to your friends list Get a Link to this Reply
Update: I tested the coin with XRF. It contains 1000ppm of gold so it is considered genuine#65311;

I ordered the XRF service from eBay.
https://www.ebay.com/itm/XRF-METAL-...293495552457

Edited by hjian
09/17/2021 12:15 am
Pillar of the Community
United States
5219 Posts
 Posted 09/16/2021  11:52 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
The Zacatecas mint in 1832 did have production problems. At that time, it was being operated by the State government of Zacatecas. In 1836 the Federal government of Mexico took over the mint and operated it until 1842 when Manning and Marshall started operating the facility.

The gold trace is high enough to say that it is made with silver of the type refined in Zacatecas in 1832.

The dies used do not match any known counterfeit variety but do match many coins which I believe are genuine.

This coin is unlike the Go coin because it is consistent with a Genuine coin of that date and mint.

My book on Counterfeit Portrait 8Rs is available from Amazon https://www.amazon.com/Counterfeit-.../1500497177/ or from me directly if you want it signed.
New Member
United States
24 Posts
 Posted 09/17/2021  12:17 am  Show Profile   Bookmark this reply Add hjian to your friends list Get a Link to this Reply
swamperbob: Thanks!
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