A silver cocktail ring featuring a large, oval abalone shell cabochon. The shell displays iridescent colours including green, blue, and pink. The stone is secured in a bezel setting positioned above a decorative castellated gallery. The ring is constructed with a simple band that tapers into flared, split-style shoulders at the head. The interior of the shank is stamped with the mark MEXICO. This piece is characteristic of mid-20th-century Mexican jewellery production.
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