Vintage English 9k Gold Opal Halo Ring Hallmark

Quite a stunning halo with lots of natural fire that catches the sunlight! Center of halo is an Oval Cabochon Opal that's 9.00mm x 7.50mm. Surrounding halo of 12 Round Cabochon Opals, approximately 2.75mm. The center opal is chipped which is visible in the pictures. Hallmarks are from London Assay, Makers Mark HBJ and date letter present.