Maison Los Castillos - Wine glass (3) - Silverplated, azurite, malachite, turquoise, La Chrysocolle - Mexican glassware

I am selling a set of 3 silvered metal stemmed glasses from the House Los Castillos. (Taxco, Mexico)
Hallmark under the base: Los Castillo TA & CO 30 Hecho en Mexico.
The stems are plated with a blend of precious minerals: azurite, malachite, turquoise, and chrysocolla.
Dates: 1950s, 1960s.
Very good condition: some signs of wear consistent with the age of the items.
Dimensions: see description. Total weight: 637 g
Very careful packaging.