Like nickel silver, Tibetan and/or tribal silver are base metal alloys that are only silver in appearance. Contents of the alloys vary tremendously and may not even contain any silver. Some imports from exotic areas contain dangerous metals such as lead; buyer beware. このジュエリーは注意して購入し、子供には決して与えないでください。. 部族の作品は非常に美しい場合があります, so purchase for the value of the piece and design rather than the value of the material.