Silver-toned jewelry set with green banded cabochons in the mid-century style

This jewelry set consists of a ring and a pair of cufflinks, designed with a silver-toned metal and green, banded stone cabochons. The ring features a square, cushion-cut stone, while the cufflinks utilize oval cabochons. All pieces are set within ornate filigree-style borders featuring scrolled metalwork and saw-tooth bezel settings. The stones exhibit naturalistic horizontal banding consistent with malachite, though this is unverified without gemological testing. The metal shows a dark patina in the recessed areas of the filigree, consistent with aged silver or a silver-plated base metal. The cufflinks appear to have a toggle or swivel-back closure mechanism. The owner describes the items as sterling silver (925) and mid-century modern (MCM), though no hallmarks or maker’s marks are legible in the provided images to confirm these claims. Visible condition shows heavy tarnish and oxidation across the metal surfaces, which is typical for vintage jewelry but could also suggest an applied antique finish. The construction is stylistically consistent with mid-20th-century costume or fine jewelry often produced in regions like Mexico or Europe, but exact origin is hypothetical due to the lack of visible stamps.

Based on the provided images and information, I observe a jewelry demi-parure consisting of a ring and a pair of cufflinks featuring ornate filigree-style borders and saw-tooth bezels. The owner identifies this as a mid-century modern 925 sterling silver set featuring malachite stones. I must treat this attribution as a working assumption, as I cannot verify the metal purity or geological composition from photographs alone. While the green cabochons exhibit the characteristic horizontal banding of malachite, in-person gemological testing would be required to rule out glass or synthetic imitations. Similarly, the metal shows dark tarnish consistent with aged silver, but a chemical test or clear visual inspection of hallmarks is necessary to validate the 925 sterling claim. The metalwork features heavy oxidation, which is typical for vintage pieces but could also suggest an applied antique finish. In the current secondary market, comparable vintage, unbranded sterling silver and malachite jewelry sets typically realize values between $75 and $150. This estimate assumes the provided details regarding materials are correct. If physical inspection reveals the stones are synthetic or the metal is a silver-plated base alloy rather than solid sterling, the value would decrease to an estimated $20 to $45. Hands-on examination by a trained jeweler or gemologist is required to ascertain the strict material composition and origins of this set.