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Unread 08-21-2016, 11:26 PM   #8
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Phil C
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This is off the internet. Contains 50-80 percent copper, 5-30 percent nickel and 10-35 percent zinc; it may also contain small percentages of lead, tin and manganese.

I would think the green corrosion might be due to the copper content.

Shields made from Sterling silver have less than a dollars worth of silver.
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