It checks the resistivity of the alloys in the coin to test what it is made of. If it is not dead center on the main sensor on the screen on a 90% silver setting, I may attach the bullion wand to the machine and include photos testing it that way also to prove it is within the acceptable range.
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Good Luck To You Chinese Fu Koi Commemorative Coin Color Carp Medal Gold and Silver Coin Embossed Metal Craft Badge Gift
Aliexpress UK
The Republic of China Cao Kun Silver Commemorative Medal Coin as shown in the image (the coin is uncertified) message me with any questions !
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5pcs Dollhouse Gold Bar Miniature Mini Gold Ingot Coins Silver Dollar Coin Model Ornaments Doll House Items Accessories Copper
Aliexpress UK
Free UK shipping
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Statue of Liberty commemorative coin one trillion dollar USA Gold Medal In God We Trust Silver Challenge Coin Collection
Aliexpress UK
•1916•CHINA•INAUGURATION OF HUNG HSIEN REGIME•20 CASH•SILVER COIN• 23MM•
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Tree of Life Array Challenge Coin Diagram Sun God Nickel Ancient Silver British Queen Elizabeth Commemorative Coin
Aliexpress UK
Genuine coin
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Knight Templar Commemorative Coins Antique Silver Plated Challenge Coin Christian The Crusaders Home Decorations
Aliexpress UK
Up for sale is an 1914 China 10 Cents (1 Jiao) silver coin featuring Yuan Shih Kai — known to collectors as the famous “Fatman” portrait. This is a classic early Republic of China coin and a favorite among world silver collectors.
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US 1918 A Dollars Liberty Goddess Vintage Silver Collection Commemorative Coins Gift Replica Coin Good Luck Badge Display
Aliexpress UK
The pictures are for reference only. Randomly send the year!
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1756 8 MM Mexico Coin Reales - Fernando VI Cupronickel Plated Silver Collectibles Copy Coins
Aliexpress UK
Good condition
eBay
US 50th Anniversary of The Moon Landing 2019 Commemorative Coin Colorful Collectible Gift Apollo 11 Silver Plated Coin
Aliexpress UK