An Unusual French Ruby, Diamond and Hardstone Brooch
An Unusual French Ruby, Diamond and Hardstone Brooch

細節
An Unusual French Ruby, Diamond and Hardstone Brooch
The centre with an oval dendritic agate with opal enamel detail enclosed in a rectangular ruby and rose-cut diamond frame of post and rails design, circa 1890, 4.5cm. wide, mounted in silver and gold