80’s Silver Modernist RingSterling silver (tested)** Raised, ridged rectangle Substantial Great patina Good weight Size 6 (see sizer photo) Beautiful craftsmanship Artisan made, unknown origin Provenance: 1980 early 80's Stamp: none but artisan made Condition: Very good vintage. No issues to report. We've not polished it, just wiped with soft jeweler's cloth; we leave polishing to future owner, as desired. Materials: sterling silver Measurements: Inner diameter (opening) .