Multi-stone link necklace in a vintage bohemian style

This piece is a multi-stone link necklace featuring alternating rectangular bezels set with polished, iridescent stone or shell elements (such as mother-of-pearl) and more earthy, mossy green or yellowish rounded square stones. The metal components have a darkened, antiqued gunmetal or heavily patinated silver-tone finish. The front portion consists of hinged rectangular links, transitioning into a double-stranded or textured chain section toward the top, finished with an adjustable extender chain and a lobster claw clasp. There appears to be a small circular tag near the clasp, though any text or markings upon it are illegible from the provided image. The overall physical characteristics are stylistically consistent with modern costume jewelry designed to evoke a vintage bohemian or artisan aesthetic. There are no clearly visible maker's marks, signatures, or hallmarks legible in the photograph; therefore, hedged language has been used for the identification. Visible condition includes a deliberately patinated or oxidized metal finish that gives an aged appearance, though actual wear and tear cannot be fully assessed without in-person physical inspection and expert authentication.

Based on what I can see in the photograph, this multi-stone link necklace exhibits stylistic characteristics consistent with vintage bohemian-style costume jewelry, featuring alternating bezels with iridescent elements and green stones set in an antiqued metal finish. However, I can't verify from a photo the exact composition of the metals or stones, nor can I read any details on the illegible tag near the clasp. A physical inspection would need to be conducted to determine if the materials are base metals with faux stones or higher-end artisan components. The estimated value range of $75 to $150 reflects typical market demand for contemporary or vintage-style artisan costume jewelry of this visual appeal. If the piece were to be evaluated in person and found to be an unmarked, mass-produced reproduction or a modern piece 'in the style of' vintage bohemian designs rather than a period artisan creation, the market value would likely be closer to $25 to $50. Conversely, if future expert appraisal or hallmark verification were to link it to a notable designer, the value could increase. To confirm the true nature, age, and potential authorship of the necklace, in-person examination, hallmark verification, and expert authentication by a qualified jewelry specialist would be necessary.