Early 1940's sterling silver necklace signed by Taxco, Mexico silver Maestro Los Castillo. The design features 11 chanel set cabochon globes of cobalt blue glass. 3 globes are framed by abstract silver agave leaves. Necklace measures 15 1/2" wearable inches long. The center pendant is 2" from top to bottom. Hallmarked on the back with the early linear LOS CASTILLO TAXCO STERLING MEXICO and pattern # 298. Gorgeous unpolished patina. Beautiful vintage condition with no nicks or cracks to glass. No dents, dings or repairs to the silver. The necklace was most likely designed by Margot De Taxco in the early years when she was married to Antonio Castillo before she opened her own taller. This necklace design is featured on p. 103 of MARGOT VAN VOORHIES by Penny Morrill. Design also pictured on p.90 of SILVER SEDUCTION: THE ART OF MODERNIST ANTONIO PINEDA by Gobi Stromberg.