Vintage Iridescent Glass Bead Cluster Clip-On Earrings

This is a pair of vintage clip-on earrings featuring a cluster design of faceted clear and iridescent glass beads. Each earring is composed of multiple small, round, and bicone-shaped glass beads, approximately 5-8mm in diameter, meticulously wired or pinned together to create a full, grape-like cluster. The beads exhibit a clear, colorless transparency with a strong auroral borealis (AB) coating, which gives them a rainbow-like shimmer that reflects various colors, including blues, pinks, yellows, and greens, depending on the light and viewing angle. The metal findings, visible behind the beads and as part of the clip mechanism, appear to be a silver-toned metal, possibly rhodium-plated base metal or pot metal, and show some tarnishing or darkening consistent with age. The clips themselves are spring-loaded and appear to be in functional condition, although the exact mechanism cannot be fully assessed without a view of the back. There are no visible maker's marks or signatures on the surface. The overall condition appears to be good for vintage pieces, with no obvious damage such as chipped or missing beads, though minor surface wear on the beads or metal is expected due to age and use. The craftsmanship, while not high-end fine jewelry, demonstrates a careful assembly of the beads, indicating a commercially produced costume jewelry piece likely from the mid-20th century, possibly 1950s or 1960s, a period when iridescent glass beads were very popular in costume jewelry.