It is made of rock crystal and the wire bends around the ear. The serial number is 3381. If you are unsatisfied with the piece, you may return it within 14 days. We guarantee the authenticity of our pieces, as well as the stated condition and functionality of all items.The item "ART DECO STYLE Boucher Costume Ear Cuff Earrings Rock Crystal" is in sale since Friday, January 27, 2017. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Costume\Designer, Signed\Sets". The seller is "dani-krak" and is located in Los Angeles, California. This item can be shipped worldwide.