AI Appraisal Estimate

This is a single stud-style earring featuring a spherical main body crafted from an organic white material, likely bovine bone or elephant ivory. The item measures approximately 10mm to 12mm in diameter. It possesses a semi-spherical or 'button' shape with a concave, carved-out section to facilitate the mounting of the metal post. The color is a characteristic creamy off-white or light ivory hue with an opaque finish. The material displays a smooth, polished surface with a soft, natural luster. A thin metal post is embedded into the center of the carved-out face; the metal appears to be a darkened base metal and lacks visible hallmarks, suggesting it may be a sterling silver post with significant tarnish or a common alloy. The overall construction indicates a vintage origin, possibly mid-20th century (circa 1950s-1970s). Condition-wise, the organic material shows minor surface scratches consistent with age and use, and the metal post is slightly bent with heavy oxidation. There are no distinguishable maker's marks or signatures visible. The craftsmanship is simple but effective, utilizing the natural density of the material to create a bold, geometric fashion statement. The absence of Schreger lines (cross-hatching) in this specific lighting makes a definitive ivory identification difficult without physical magnification, though the smooth grain is consistent with fine bone or ivory.

Based on my visual examination of this single vintage stud earring, I have assessed its value within the current costume jewelry market. The item presents as a mid-century organic button-style earring. While the material exhibits the creamy luster associated with both bovine bone and elephant ivory, the lack of visible Schreger lines or distinct porous pitting in the provided imagery makes a definitive material identification impossible. Due to international trade regulations (CITES) and the 'de minimis' exemptions for ivory, the lack of provenance and the single-item status significantly limit its liquidity and value. The condition is fair to good; however, the heavy oxidation and slight bend in the post suggest a base metal or low-grade silver. The absence of a matching pair reduces the value by approximately 60-70%, as single earrings are primarily sold as replacement pieces or for 'mismatched' styling. Comparables for single organic mid-century studs typically range from $10 to $40 depending on the confirmed material. Limitations: This appraisal is based solely on digital images. A definitive identification between bone, ivory, or early celluloid would require an in-person 'hot needle' test (for plastics), microscopic examination for grain patterns, or a high-magnification look at the post for hallmarks. Significant value increases would only occur if the metal was confirmed as 14k gold or if the material was authenticated as antique ivory with pre-1947 documentation. Without physical inspection, I must classify this as vintage costume jewelry of modest decorative value.