Vintage Oval Moss Agate or Jasper Pendant in Silver-Tone Bezel

This item is an oval-shaped jewelry pendant featuring a large cabochon-cut semi-precious stone, likely a variety of Moss Agate or Ocean Jasper. The stone displays a complex internal matrix with deep forest green, murky teal, and sandy ochre-yellow inclusions, typical of silicated minerals. The stone is set in an ornate, silver-colored metal frame (likely sterling silver or a base metal alloy). The frame features a decorative border consisting of an inner rope-style twist and an outer scalloped or 'dog tooth' edge with small rounded protrusions. A small integrated bail loop is located at the top for suspension from a chain. Regarding condition, the metal shows significant dark oxidization and patina throughout the crevices of the decorative border, which is consistent with age and typical of vintage silver-tone jewelry. The stone appears to have a smooth, polished surface with no significant surface fractures or chips visible in the image. The craftsmanship suggests a mid-20th-century artisan or Southwestern style production. There are no maker's marks visible on the front, but the heavy patina suggests it has been handled over many decades. The overall construction is robust, showcasing traditional bezel-setting techniques common in folk or costume jewelry designs.

I have conducted a visual examination of the vintage oval pendant featuring a moss agate or jasper cabochon. The stone displays characteristic moss-like dendritic inclusions and a smooth, well-polished surface, which I estimate to be approximately 30mm to 40mm in length. The setting exhibits a traditional Southwestern or artisan-folk aesthetic, utilizing a 'serrated' or 'dog-tooth' bezel and a rope-twist border. The significant oxidation in the crevices suggests substantial age, likely mid-to-late 20th century. From a market perspective, moss agate is a semi-precious material that is readily available, meaning value is driven primarily by the craftsmanship of the setting and the metal content. While the patina suggests sterling silver, the absence of visible '925' or 'Sterling' hallmarks in the provided images leaves open the possibility that this is a silver-plated base metal alloy. Similar artisan pieces in sterling silver typically sell in the $65-$125 range at retail, whereas base-metal vintage costume pieces command $25-$45. Limitations: This appraisal is based solely on visual aesthetics. To provide a definitive valuation, I would require a physical inspection to check for hallmarks on the reverse side and conduct a non-destructive acid or XRF test to confirm silver purity. I would also examine the stone under 10x magnification to rule out stability-enhancing resins or surface-reaching fractures. Without provenance or a maker's mark, the item's value remains tied to decorative appeal rather than collector-level rarity.