Wonderful vintage Sterling silver necklace by the famous Los Castillo silversmiths in Taxco.
This piece is from their “Onix Negro” series made in Sterling silver with inlaid black onyx.
Circa 1950′s, 1960′s.
Signed “Los Castillo Taxco”, “Onix Negro”, “Sterling Made in Mexico”, Eagle mark 15 and design number 41.
Excellent vintage condition.
15-1/2″ long, the central piece is 1-1/4″ wide.