THe first counterfeiting of gilded platinum coins occured in Columbia where dishonest workers in the mints first used solid platinum with a thin...
We elaborate on contemporary circulating counterfeits which circulated with the regals and modern forgeries meant to fool collectors in the modern...
Due to its relective shine and good weight for a second I though gilded platinum ... its possible ... but then the WORD "COPY" ... alas ... it's...
I will try to create a list of do's and dont's and then supply images and XRF analysis of some typical examples. There is no 100% cure as these...
Sell it on E-Bay but don't sell it on E-Bay. Put it on E-Bay and put a reserve of say $3,000. See what happens. Start it at $0.99. Post it in U.S....
HMMM ... OK. I may need to take one of these milk spot pieces into the lab ... thanks Bajjerfan.
I will check tonight in our inventory listing if has a GNL Type 1 # ... Superb historical contemporary circulating counterfeit of the period....
Galapac - if you google fake chinese coins you do come across 2-3 websites where some people have put up some nice information on how to avoid...
If you believe its AgCL they may be soluble in ammonia. However as with any metal remove PMD such as copper oxide or carbon spots you are left...
In June I will start my chapter on fake Chinese Modern coins and will contact you Numismat in the late summer to review it so you can add or edit...
I am writing a chapter in my new book on - Modern Chinese. Numismat - I like you as a proof reader. John Lorenzo United States
Counterfeit 8 Reale Book - Amazon Books
Dr. Jones - I finished my analysis. John Lorenzo Numismatist United States
Alot of good points ... JPL
Impressive. With a great edge and toning (AT). I can't zoom in and see cast raised dots however the ZERO feedback is an indicator. John Lorenzo...
Fascinating ... this COIN TALK channel ... the simplicity and wide spectrum of responses. Its addicting Doug ... LOL JPL
Mexican War of Independence Mint Stamp/Validation Stamp Issues and Insurgent Issues in Silver. No Copper Morelos SUDS. MS65 Cap and Ray Dollars....
Sunnywood ... brilliant IMO on his NT thread. John Lorenzo Numismatist United States
Bajjerfan - a production by-product on the surface is respectable enough. The high vacuum is required in XPS is needed so the lighter elements...
The point I was trying to make in my research on over 1,000 SEM/EDS spectrographs choride and sulfur ions were present on the coins surface...
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