It's always such a pleasure to get work by the taller of Los Ballesteros whose work is widely known and highly collectible. This is a fantastic, Modernist style sterling silver collar by Los B with an artful cut out in the front, it's a stunning piece, much like the work of Sigi Pineda!
Dating Los Ballesteros work can be difficult since they are still producing today and were inconsistent in hallmarking throughout the years, I estimate that this collar is circa 1980s.
The family taller of Los Ballesteros began silversmithing in Iguala in 1937, then moved to Taxco in 1941 where they were and continue to be a large and very successful manufacturer and retailer.
Hallmark: B Taller de Los Ballesteros Taxco Gro. Hecho en Mexico 925 MM-34
Size: Wearable: 16" or less (is flexible, might go up slightly higher); Grams: 43
Condition: Excellent vintage - I have only lightly buffed, you may wish to polish more