Signed and authentic Matilde Poulat (MATL) designer of this incredible necklace started out in the Mexico City folk style and is renowned for her designs. This is 109 grams heavy. The chain is .75in. wide leading into a graceful split of 2 chains towards the back and then a decorated clasp with coral stones. The centerpiece is 3.25in. across and 3 1/8th inches tall. The coral in the centerpiece has mellowed to an orange red and the 3 gem quality amethyst stones are faceted and open backed for more sparkle. Incredibly rare and one of her first earliest hallmarks this piece is museum quality just, LOOK AT THAT NECKLACE!