Vintage Circular Brass and Red Cabochon Inset Earrings

This pair of vintage clip-on or stud earrings features a bold, modernist design characterized by a circular domed form. Each earring is crafted from a matte-finished yellow metal, likely brass or a gold-toned alloy, approximately 20-25mm in diameter. The central focal point is a square-cut, deep red cabochon, possibly glass or a synthetic resin, bezel-set into a diamond orientation within the metal's center. The stones exhibit a rich, translucent ruby hue with a high-domed polish. The metal surface shows a distinct aged patina with visible micro-scratches and minor surface oxidation commensurate with mid-to-late 20th-century costume jewelry. The construction appears sturdy, with the stones flush-mounted to the metal frame, reflecting quality mass-production craftsmanship typical of the 1970s or 1980s. No visible maker’s marks are discernible from the primary view, but the geometric aesthetic is consistent with the 'Power Dressing' era of fashion jewelry. The overall condition is vintage-good, showing slight darkening of the metal finish but no significant chips to the red insets.