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Silver Or Not Silver ? Help Needed

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Author Previous TopicReplies: 4 / Views: 1,186Next Topic  
Valued Member
spica's Avatar
France
285 Posts
 Posted 09/11/2007  06:04 am Show Profile   Bookmark this topic Add spica to your friends list Get a Link to this Message Number of Subscribers
I bought to american seller silver coin of Guernsey. Since I received it I have doubt. The color is more grey than silver and weight is different than certificate. Normally silver coin weights 28.28 g and real weight is 27.50 g what corresponds more for copper-nickel coins of Guernsey usually 27.71 g.
This is photo reverse


Silver-Or-Not-Silver-?-Help-Needed

other photo to compare with silver coin (difficult to see difference, more easy in real) note : silver on right !


Silver-Or-Not-Silver-?-Help-Needed

I show the coin to numismate specialist of my city but cannot say to me if it is copper-nickel or silver !
Do you know a way to recognize for sure copper-nikel ?
Thanks for your help


Valued Member
spica's Avatar
France
285 Posts
 Posted 09/11/2007  07:15 am  Show Profile   Bookmark this reply Add spica to your friends list Get a Link to this Reply
other photos with and without flash



Silver-Or-Not-Silver-?-Help-Needed



Silver-Or-Not-Silver-?-Help-Needed

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echizento's Avatar
United States
23731 Posts
 Posted 09/11/2007  08:31 am  Show Profile   Bookmark this reply Add echizento to your friends list Get a Link to this Reply
There are three varities of this coin, one struck in copper-nickel KM#49, another in .925 silver at 28.280 grams KM#49a, and the last in .9170 gold at 47.540 grams KM#49b. If your coin weights less than 28.28 grams than it's most likely the copper-nickle issue.
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Snooba's Avatar
Australia
1360 Posts
 Posted 09/14/2007  08:54 am  Show Profile   Bookmark this reply Add Snooba to your friends list Get a Link to this Reply
When tapped with a pencil, does the coin "ring" like silver? That is usually a good indicator.

Valued Member
spica's Avatar
France
285 Posts
 Posted 09/14/2007  11:38 pm  Show Profile   Bookmark this reply Add spica to your friends list Get a Link to this Reply
snooba,
the sound was almost identical but because of the weight in difference of color I returned the coin to seller. I prefer not have doubt.
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