Antique Art Deco Blue John Solid Silver Ring Oval Solitaire Signet 1920s Bleu Jaune Womens Rare Fluorite Gemstone Jewelry Jewellery t bar The cameo has some age

The cameo has some age lines as to be expected with age

00g and the size dimensions are in the later photos

The item is stamped SILVER" on the rear

made from sterling silver and adorned with an amethyst paste stone

Antique Art Deco Blue John Solid Silver Ring Oval Solitaire Signet 1920s Bleu Jaune Womens Rare Fluorite Gemstone Jewelry Jewellery t bar The cameo has some ageDESCRIPTION: A genuine antique art deco (c1920s) solid silver and genuine blue john ring. The ring is stamped "SILVER". Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK (not far from me), it is in fact Britain's rarest mineral. The ring sizes at approx. UK P or US 7. 5 and weighs approx. 2. 11g.