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Neat Silver-Plated Portrait Counterfeit On Ebay.

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Pillar of the Community

Czech Republic
803 Posts
 Posted 09/27/2011  3:47 pm Show Profile   Bookmark this topic Add TwoKopeiki to your friends list Get a Link to this Message Number of Subscribers
Don't see the plating exposed quite as dramatically as this often. Definitely a high coolness factor.

http://www.ebay.com/itm/1798-Mexico...em588ff825da

Neat-Silver-Plated-Portrait-Counterfeit-On-Ebay.
Pillar of the Community
tokenmast's Avatar
United States
648 Posts
 Posted 09/27/2011  4:12 pm  Show Profile   Bookmark this reply Add tokenmast to your friends list Get a Link to this Reply

Bedrock of the Community
DVCollector's Avatar
United States
10045 Posts
 Posted 09/27/2011  9:05 pm  Show Profile   Bookmark this reply Add DVCollector to your friends list Get a Link to this Reply
Cool! I'm guessing that's an old, contemporary counterfeit?
Pillar of the Community
United States
1666 Posts
 Posted 09/27/2011  10:33 pm  Show Profile   Bookmark this reply Add Numismat to your friends list Get a Link to this Reply
How cool it would be if this was a counterfeit of a counterfeit.
Like, a later counterfeit of a contemporary Sheffield plate counterfeit.
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swamperbob's Avatar
United States
5362 Posts
 Posted 09/27/2011  11:58 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
It is definitely a "Sheffield Plate" coin. I do not recognize the type but I have not tried really hard to do so. I classify it as Class 1 (Contemporary Circulating)

I am snipe bidding for that one but if anyone is super interested in it I would pass. I would advise however, that I know two other specialists who are also watching that one and I do expect the price to go over $100. So if anyone is interested above the $225 level let me know.

It appears to be a poorly attached plate - like many of the Roman fourees were. I expect it is cold rolled over a "white" metal as opposed to copper because of the delamination. It took the Sheffield manufacturer's some time to perfect a Silver on white metal plate that was successful in use. I also believe the obverse could be peeled off just as easily. I see a large loose spot on the King's neck.

For me the most interesting feature would be the edge application more than the face dies. The early white metal copies all peeled on the edge BEFORE the faces - so I expect there is no edge left at all.

Is it possibly a forgery made recently? - Good question.

I do not know. The portrait is TERRIBLE so I guess it could be. It certainly is not up to the standard employed in the Birmingham mints supported by the English government. But I have not seen one of this type yet - they are striking Riddell varieties but so far I am not aware of a decent Sheffield copy of a Portrait. But it would definitely be interesting.
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swamperbob's Avatar
United States
5362 Posts
 Posted 10/09/2011  7:02 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
The coin arrived and it is clearly an OLD Sheffield Plate on a copper core. It is NOT a modern knock off based on the patina on the exposed core.

It is a new variety.

And for anyone interested it did sell for a dirt cheap $79.99.
Edited by swamperbob
10/09/2011 8:16 pm
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Unique Antique Gallery's Avatar
United Arab Emirates
13 Posts
 Posted 12/13/2011  04:57 am  Show Profile   Bookmark this reply Add Unique Antique Gallery to your friends list Get a Link to this Reply
WOW...it certainly is a neat counterfeit of a different metal plating!
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swamperbob's Avatar
United States
5362 Posts
 Posted 12/13/2011  1:50 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
Sheffield Plate is an "old" form of plating used before there was electroplating. The surface layer is silver of the correct assay and the coin is a metal sandwich. It is a mechanical not chemical bond. The pressure of rolling the metal together creates a bond - the metals fuse together sort of like a weld, but less complete. That is why in some cases the surface will peel off.

The technique was developed in Sheffield, England in the 1770's hence the name but it resembles in practice the silver plating used in ancient Rome to plate copper. The ancients are called fourees.

Sheffield forgeries were plentiful in the colonial era and form the bulk of "good" forgeries.
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