Theodor Fahrner Sterling Chrysoprase Ring The beautiful chrysoprase is faceted which is a less common cut for this stone. The facets create an interesting array of reflective surfaces. The ring also features a sterling vermeil frame with black enamel in the recesses to accent the beautiful pattern. The band is decorated with scroll work. Marked TF, DEA 935, front measures 1" by 3/4", ring size 6-1/2. Some wear to the gold wash otherwise in excellent condition.