Collection of Mid-Century Screw-Back Costume Earrings

This collection consists of three unique pairs of vintage costume earrings, each featuring early to mid-20th-century screw-back findings. The first set is a pair of black cluster earrings composed of faceted jet-style glass or plastic beads arranged in a tight floral or grape-like bundle. The metal findings show significant oxidation and a dark patina consistent with age. The second set is a pair of vibrant red cabochon earrings, likely molded glass or thermoplastic, in a trefoil arrangement accented with small clear chaton-cut rhinestones. One stone appears to be missing on the right-hand earring of this pair. The third set features white floral clusters with elongated, petal-shaped beads that suggest a milk glass or early resin composition, arranged to resemble blooming daisies or chrysanthemums. These white earrings show visible surface grime and slight discoloration in the crevices of the petals. Overall, the construction points to mass-produced fashion jewelry from the 1940s to 1950s. The metal bases appear to be brass or base metal with varying degrees of finish wear. While there are no visible maker's marks from this angle, the screw-back mechanism was a staple of the era before clip-ons and pierced styles became more dominant.