Sterling ring by deceased modernist jeweler, Jo Catanzaro, Buffalo, NY, who died in 2004 in her 80's. Handmade with oxydized and shiny silver elements. Front irregular circle measures 7/8" in diameter, band is 1/4" wide and is size 7 1/2. Signed "JO CATANZARO"(on band) and "CATANZARO" on underside of front. Excellent condition. This ring is part of a large collection that came from her studio after her death. Some of the pieces are unfinished and unsigned. Catanzaro's beautiful and exciting body of work is all handmade and shows original modernist design.It runs the gamut of metals, enamel, stones, and other materials......$8 for insured USA shipping. NYS residents pay sales tax.