Wow is the best way to describe this!!! This Necklace and Earring set are true pieces of Native American Indian Art! They are by Katherine Schnebly Segay. The Necklace features the large prominent Butterfly in the center front. All of the Butterflies have the Opal, Black Onyx and Spiny Oyster. They are all hand carved. The necklace also features Spiny Oyster again set in Solid Sterling Silver on the Neck part of Necklace. There is a beautiful Spiny Oyster covered closure also. The necklace has a 10 1/2 inch drop from the nape of the neck to the bottom of the large Butterfly. The matching earrings are french wire and are 1 1/2 inches long. This beautiful set is marked Sterling and KS. This item is accompanied by a Certificate of Authenticity.