Alexandrite antique Taxco Mexico FDH vintage sterling silver necklace. This great piece not only has an eagle 3 mark but the full signature on the bail. Stamped Mexico Taxco 925 FDH. That dates this pendant to the late 1940's to early 1950's. Great vintage condition for the age with little signs of normal vintage wear. Comes on married sterling silver chain. The stone has shifts of purple to blue. It has been tested on Presidium gem tester II. Alexandrite is a more rare stone and tests above amethyst into the sapphire range as seen in picture.
Acid tests positive for sterling silver.
Necklace measures 20 inches in length.
Pendant measures 1 and 3/8thsof an inch across with a 1/4 of an inch bail.