The second set of coins Great Wall coin pentagram Material is: copper -zinc alloy The third set of coins plum blossom pentagram is also: copper zinc alloy The fourth set of coins lotus pentagram: steel core copper plating If yes are As long as there is no symptoms of allergies, there should be no problem if there is no allergies.
See a lot of coin necklaces. Some web pages are said to be white metal on the plating on the outside of the brass. It's not a real coin. The price is not expensive, just dare not buy, afraid of discoloration, harmful to the human body. If you have bought it, please communicate.
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