These unmarked Dishta Zuni Indian silver and turquoise snowflake screw-back earrings measure approximately 15/16 (2.4 cm), and weigh 4.8 grams/pair. Like most older Native American jewelry, they are not stamped or hallmarked for silver content. They are sterling or a slightly lower grade of silver. The item "VINTAGE DISHTA ZUNI INDIAN SILVER & TURQUOISE SNOWFLAKE SCREW BACK EARRINGS" is in sale since Wednesday, March 19, 2014.This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Native American (pre-1935)". The seller is "deja--voodoo" and is located in Santa Cruz, California. This item can be shipped worldwide.