Abalone and Sterling Silver Art Nouveau Style Ring
Jewelry, ring format with original presentation case • Unidentified manufacturer; likely American or Mexican production (consistent with Taxco silver trade patterns or mid-market US jewelers such as Uncas or Vargas)

Style & Movement
Art Nouveau Revival / Mid-Century Costume Jewelry
Medium & Technique
Sterling silver (.925) cast and chased; cabochon-cut Abalone shell (Mother of Pearl) inlay; vintage celluloid or early plastic presentation case with velvet lining
Creation Period
Mid-20th Century (circa 1940-1960), likely a revival piece referencing earlier Art Nouveau aesthetics
Dimensions & Format
Ring face approximately 2.5 cm in length; ring size estimated at 6-7 (US); portrait orientation for the bezel
Subject Description
The ring features an elongated navette-shaped face with organic, flowing lines characteristic of the Art Nouveau style. The central focus is a polished abalone shell showing iridescent greens and blues, symbolizing natural beauty and the sea. The setting incorporates stylized floral or whiplash curves.
Condition & Value Assessment
Condition Assessment
Good to Very Good; reflective of its age
Estimated Market Value
$45 - $85 USD
Auction Estimate
$30 - $60 USD
Provenance History
Private collection. The presence of the original ornate celluloid box suggests a mid-century retail origin, likely as a gift item or keepsake.
Art Historical Significance
Represents the democratization of labor-intensive aesthetics. While not a unique artisan piece, it illustrates how high-art movements like Art Nouveau were adapted for the middle-market consumer via silver and organic shell materials during the mid-20th century.
Notable Features
The most distinctive feature is the accompanying 'clamshell' style ornate plastic box which enhances its vintage appeal and collector interest. The abalone displays a high degree of iridescence.
Condition Issues
Surface oxidation/tarnish on silver; minor abrasions on shell surface; internal yellowing of the celluloid box consistent with age-related plastic degradation; minor wear to the velvet slot.
Conservation Recommendations
Gentle polishing with a silver cloth (avoid liquid dips which may damage the shell's luster); store in a low-humidity environment; keep the celluloid box away from direct heat to prevent brittleness.