Starfish-motif costume brooch with colorless stones

This item is a decorative brooch designed in the five-point form of a starfish or sea star. The object features a gold-toned metallic base with a heavily textured, granular surface consistent with cast metalwork. It is embellished with twenty-two round, brilliant-cut colorless stones that appear consistent with glass or synthetic crystals rather than natural diamonds. A larger stone is centrally located, with smaller stones graduating in size along the center of each arm. The gold-colored finish shows some visible signs of oxidation or wear, particularly visible as darkening in the recessed areas and around the rhinestone settings. No maker's marks or metal fineness stamps are visible in this view, making an attribution to a specific designer or brand impossible to verify from the provided image. Stylistically, the piece is consistent with mid-to-late 20th-century costume jewelry. The construction quality is consistent with mass-produced fashion accessories intended for aesthetic wear. The back of the item is not visible to determine the pin's hinge and clasp type, which are necessary for further dating or origin testing.

Based on my visual analysis of the provided image, I have evaluated this starfish-motif brooch. The item appears to be a mid-to-late 20th-century costume jewelry piece featuring a gold-toned metallic base and round brilliant-cut colorless crystals. Based on what I can see, the stones are consistent with glass or synthetic manufacture, and the gold-colored finish shows some darkening in recessed areas, which may indicate surface oxidation or wear to the plating. I cannot verify from a photo the metal composition or the specific manufacturer, as no hallmarks or maker's marks are visible. My appraisal assumes this is an unattributed fashion accessory of standard mass-market quality. The estimated value reflects general market demand for vintage botanical and marine-themed costume jewelry. This style remains popular for its aesthetic appeal, though the lack of a designer signature limits its collectible ceiling. To confirm a more specific valuation or origin, an in-person examination would be required to inspect the reverse side for hidden marks, test the metal content, and evaluate the hinge and clasp construction. If this piece were found to bear a mark consistent with a high-tier costume designer such as Trifari or Kenneth Jay Lane, the value could increase to the $150.00 - $250.00 range. Conversely, if physical inspection reveals the materials to be modern plastic or lower-quality contemporary reproductions, the value would likely fall below $20.00. Authenticity cannot be established without physical verification of the manufacturing techniques and provenance documentation.