WWI Japanese 1919 Silver Table Coin/Medal

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Author	Replies: 6 / Views: 3,360
tenchu400 New Member United States 2 Posts	Posted 12/18/2014 12:15 am Hello everyone, I am looking for any helpful information about this WWI Versailles treaty coin. I am no expert on coins/medals and this one is difficult to find any info on as it is seemingly rare. Is it something I should take to a expert to validate it and if so how should I go about it? Thanks for any helpful info you guys may have! :) Report this Post to the Staff

ArrowsAndRays Pillar of the Community United States 1477 Posts	Posted 12/18/2014 01:03 am Your photos are from a just ended ebay listing. Edited by ArrowsAndRays 12/18/2014 01:06 am Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21635 Posts	Posted 12/18/2014 01:25 am Looks to be oxidized silver on a brass or copper core. What is it's diameter, thickness and weight? It is not unusual for medals to come in different metallic versions: smaller diameter gold solid silver silver on copper or brass. If I remember correctly, Japan was a signatory to the post WW1 Treaty of Versailles. Report this Post to the Staff
tenchu400 New Member United States 2 Posts	Posted 12/18/2014 01:47 am ArrowsAndRays you are correct, I just won this item on ebay and it's coming in from Japan. I can take more photos as I get it if needed. sel_69l It states that the diameter is 5.4 centimeters solid silver. I did find information in a book that stated it's SUPPOSED to be solid silver. May I ask what makes you think it could be copper core? Thickness and weight I will have to get for you when I receive it. To be honest, I am very excited and skeptical at the same time about receiving this medal and it seems difficult to find someone who may be able to validate it. Perhaps a local high end jeweler should be able to shed some light on the metal consistency itself? It's a medal I have kept my eye out for a long time and there is bronze versions as well. Like I said, I am no expert but I really do appreciate any feedback or help I may get here! Thanks for the replies. Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21635 Posts	Posted 12/18/2014 02:16 am With thin silver plating the atoms of the silver and the copper can cross the boundary beteween the two, and the color can become a tad more coppery in appearance over decades. Remember, this piece is nearly 100 years old. That is why I needed to know the diameter, thickness and weight. Density of pure silver 10.5 grammes /cc, copper 8 grammes /cc. The maths should give you the answer to what metal the core is composed of, despite any opinion I have about appearance. Oxidized silver finish just confuses my opinion, in terms of appearance. A specific gravity test of the medal is more accurate than just calculating the volume from measurements. Edited by sel_69l 12/18/2014 02:19 am Report this Post to the Staff
bungle Valued Member Japan 349 Posts	Posted 12/18/2014 05:45 am If it is the same as the one I found. Weight: 93g Diameter: 5.48cm Thickness: 0.44cm This gives a density of 8.96 g/cc If you need to you can try asking the company whose name is on the box: https://www.shobido.jp/ Report this Post to the Staff
thq Pillar of the Community United States 3244 Posts	Posted 12/18/2014 10:53 am Unfortunately diameter, thickness and weight aren't very accurate for determining a coin's sg. swamperbob posted a method several years ago: https://www.coincommunity.com/forum...PIC_ID=24689 I've done this on iffy Spanish colonials. It's tedious but it works. "Two minutes ago I would have sold my chances for a tired dime." Fred Astaire Edited by thq 12/18/2014 10:56 am Report this Post to the Staff
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