Southwestern-style sterling silver and opal-mosaic stud earrings

A pair of stud earrings featuring semi-circular or split-dissected stone inlays, appearing consistent with white opal based on the visible play-of-color exhibiting green and orange flashes. The stones are set in darkened or patinated metal frames, which the user describes as sterling silver; however, the 'sterling silver' marking mentioned by the user is not visible in the provided photograph for verification. Each earring is designed with two segments separated by a central silver-toned vertical element, possibly representing a stylized peyote bird or zoomorphic figure common in Indigenous American-style jewelry. The metalwork features small bead accents at the top and bottom of each frame. The overall construction is consistent with mid-to-late 20th-century Southwestern boutique jewelry, though without a visible hallmark, it cannot be attributed to a specific maker or tribe. The dark patina on the metal suggests either intentional oxidation or age-related tarnishing. Quality indicators include the precise fit of the stone shards within the bezel settings and the symmetry of the design, although the image lacks the clarity to verify the surface texture of the reverse side or the integrity of the earring posts.

Based on the provided image and description, I have evaluated this pair of stud earrings. The items feature a mosaic inlay design exhibiting the color-play characteristic of white opal, set within a dark-patinated metal framework. While the owner identifies these as sterling silver, I cannot verify the metal content or the presence of hallmarks from the photograph alone. The design is consistent with Southwestern boutique jewelry from the mid-to-late 20th century, potentially utilizing a stylized zoomorphic or peyote bird motif. The value estimate of $45–$85 is based on the assumption that the stones are natural opal and the metal is sterling silver as claimed. This range reflects general market demand for unattributed Southwestern-style silver work with precise inlay. However, this is a working hypothesis; I cannot verify the origin, tribe, or maker from the visual data. If the stones are synthetic (lab-grown) or the metal is a base-alloy 'nickel silver' rather than sterling, the value would likely decrease to the $15–$25 range. The dark patina may be intentional oxidation or natural tarnish, but I cannot assess the surface integrity or the condition of the posts without a physical inspection. To confirm this appraisal, an in-person examination by a specialist is required to verify the hallmarks mentioned by the owner, test the metal purity, and determine if the opal is natural or a laboratory-created simulant. The lack of a confirmed hallmark or provenance documents means these must be valued as attractive, 'in the style of' Southwestern jewelry rather than a specific historic or designer piece.