Hallmarked on the hook clasp Taxco 980. It in good condition with minor age related wear and tarnish and has a nice patina.A classic vintage Mexican Silver Necklace with great style! The item "Vintage 1940's TAXCO Mexican Silver 980 Necklace Heavy Los Castillo Style" is in sale since Friday, March 16, 2018. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Mexican, Latin American". The seller is "moonjellies2013" and is located in Pacific Grove, California. This item can be shipped to United States.