Los Castillo Sterling Silver and Onyx Pin. This is a graceful sterling silver and onyx pin by Los Castillo. This is signed with the stamp on the back: Sterling Made in Mexico; Los Castillo Taxco; 275 and the eagle mark which indicates that this was created between 1955 to 1979.
The pin is 1 3/4″ Â x 2″ and the onyx is 1/2″ in diameter. It is in very good condition.
Los Castillo is a major Mexican silver designer from Taxco. He is listed in the book, Mexican Silver by Penny Chittim Morrill and Carole A. Berk.