Vintage Exotic Fine Filigree Solid Gold Ring set with a Large Solitaire Blue Topaz

Vintage Exotic Fine Filigree Solid 9ct solid Gold Ring with Large Oval Cut and finely polished Solitaire Blue Topaz.
Outstanding intricate design with ring decoration and filigree going well below the shoulders.
The inner Band is rubbed, but some of the exotic Hallmark is still partly visible Dimensions approx.: Ring Size 5.25; Topaz 1cm x 0.8cm x 0.5cm deep approx., TCW 2.8ct.; Ring Face 1.7cm x 1.4cm,1.2cm at filigree shoulders to 0.2m at rear; Band depth 1cm at shoulders to0.1cm nominal at rear. Europe.