Hallmark: Los Ballesteros sterling Mexico. Detailed description: pendant measures approx. 2 3/4 x 2 3/8, lab created color change alexandrite measures 15 mm diameter, 64 grams. Photos enlarged to show detail! The item "Vintage silver LOS BALLESTEROS ANTIQUE MEXICO TAXCO LARGE ALEXANDRITE pendant" is in sale since Tuesday, December 20, 2016.This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Mexican\Necklaces & Pendants". The seller is "artdecojewelers" and is located in Staten Island, New York. This item can be shipped worldwide.