Vintage Shell Cameo Screw-Back Earrings

This is a pair of vintage oval-shaped shell cameo drop earrings, likely dating from the early to mid-20th century (circa 1930s-1950s). Each earring features a hand-carved shell cameo depicting the profile of a classical woman with detailed hair and attire, set against a natural peach-toned background. The cameos are mounted in bezel settings surrounded by an ornate, textured silver-toned metal frame that exhibits a darkened patina consistent with aged sterling silver or silver plate. The metalwork includes a decorative rope or twisted wire border and a scalloped outer edge. The earrings utilize a screw-back mechanism, which was common before the widespread popularity of pierced-ear styles. The overall condition appears fair to good; there is visible oxidation and surface wear on the metal components, and the carvings show softened edges from handling over time. One earring shows a slightly displaced mounting. The screw mechanisms appear intact, though their functionality cannot be fully verified from the image alone. No visible maker's marks or fineness stamps are identifiable in the current view, but these are characteristic of European or costume jewelry from the mid-century period.