Vintage Plateria Los Ballesteros 925 Mexico Ring Size 6.25 eagle Assay #S76

Gorgeous ring! Confirm Sterling silver with acid scratch test Approximate size 6.25. Ring is adjustable and can be modified. Very good condition   From image search:  The clear, macro view confirms that the eagle mark contains the number 47.In the official Mexican assay registry, Eagle #47 is assigned specifically to Plateria Los Ballesteros, a highly prominent and celebrated silver workshop based out of Taxco and Mexico City.About Los Ballesteros:The Workshop: Founded by the Ballesteros family in 1937, the taller grew to become one of the premier purveyors of mid-century Mexican jewelry.Design Era: This specific configuration of the Eagle 47 stamp combined with the capitalized, sans-serif MEXICO and 925 indicates that your tiger's eye ring was crafted during their peak modernist production era, roughly between the 1950s and 1970s.Style Blueprint: They were highly regarded for fusing heavy, clean-lined architectural frameworks with dramatic natural hardstone cabochons, making this brutalist/modernist wrap design quintessential to their catalog.