Sterling Fairy Ring with Amethyst / c.1910s

Absolutely wonderful sterling silver fairy ring with a single amethyst. I truly love this ring! Unsure exactly of time period, art nouveau feeling (which is why I love it) and the silver itself is fairly thin, antique overall feel but I am unsure of exact era of production. Faint stamp on the interior.

condition: great with wear to the band.

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Size: 6.5", fairy length 18mm