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British Trade Dollar Chopmarks Authentic?

 
 
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 Posted 05/12/2019  10:44 am Show Profile   Bookmark this topic Add ksammut to your friends list Get a Link to this Message
Are these Chopmarks on my 1911 British Trade dollar? Thanks!






Young Numismatist - You are welcome to visit and subscribe to my vlog/blog - http://numismaticswithkenny.com
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 Posted 05/12/2019  12:03 pm  Show Profile   Bookmark this reply Add fioti to your friends list Get a Link to this Reply
There is an army surplus store here, that has an abundance of '11 trades, just like yours, with similar chops.

Some even contain silver. I'd really like to see a close-up of just the imprints.
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 Posted 05/12/2019  12:40 pm  Show Profile   Bookmark this reply Add ksammut to your friends list Get a Link to this Reply
This is probably as close as I'll ever get. Hopefully this works.


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 Posted 05/12/2019  12:40 pm  Show Profile   Bookmark this reply Add jgenn to your friends list Get a Link to this Reply
Best to start with "is your Trade dollar authentic" and then worry if the marks are authentic. How much does it weigh, is it attracted to a magnet, etc?

In the most basic sense, chops are small test punches used to check if the surface was a thin silver plating over a base metal core. If that's what these marks are, then perhaps someone felt the need to check the surface -- another reason to spend some time authenticating the host.
Edited by jgenn
05/12/2019 12:41 pm
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 Posted 05/12/2019  1:11 pm  Show Profile   Bookmark this reply Add ksammut to your friends list Get a Link to this Reply
I checked the weight and it weighs correctly at 26.9 grams. I'm pretty sure the coin is authentic, however, I'm not so positive about the Chopmarks.
Young Numismatist - You are welcome to visit and subscribe to my vlog/blog - http://numismaticswithkenny.com
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 Posted 05/12/2019  1:42 pm  Show Profile   Bookmark this reply Add jgenn to your friends list Get a Link to this Reply
Well they don't look like they were made yesterday. There are books and a chopmark collectors club that could provide more info.

I think these are not easy to authenticate, unlike official countermarks, especially given the basic shape. Coins with many chops appear to have been marked every time they were presented as proof that the coin was checked. However, you can draw the conclusion that just having a mark was not proof enough to pass without being checked, so what would be the point to fake a chop (as in a contemporary fake)? If it was a recent attempt to give a "details" coin some more value, I would expect a copy of a more interesting chop.

I would conclude that the mark is authentic if the host is authentic.

Please share what you learn if you do check out some of the references.

Edited by jgenn
05/12/2019 1:48 pm
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 Posted 05/12/2019  1:47 pm  Show Profile   Bookmark this reply Add fioti to your friends list Get a Link to this Reply
I knew of a wersite, long forgotten, that IDd chops. I'll try to find it.
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