Mexican silver vintage butterfly pin

Sweet, delicate silver butterfly pin with two green stones (unknown material, could it be, jade?) Great gift for butterfly lovers! Excellent condition. Silver was just cleaned, will tarnish beautifully…Taxco? Note: Mexico is one of the leading producers of silver in the world, and you'll find the finest silver jewelry in Taxco, Mexico. Today, people from around the globe visit this city to purchase their silver jewelry. Standard Mexican silver is 92.5% pure, though its purity ranges from 92.5% to 99.9%.