Antique Blue John Sterling Silver Ring Art Deco Large Signet Bleu Jaune Womens Rare Gemstone Jewelry Jewellery vintage enamel Some of the marcasites are

Some of the marcasites are crushed slightly (see photos/video

The key hole is approximately 1

PLEASE NOTE: The coating on the celluloid has peeled off in areas and there is some glue residue on the rear

PLEASE NOTE: The clasp has an old lead repair on it

The enamel is in good condition with no major missing sections and all the pearls are present

Antique Blue John Sterling Silver Ring Art Deco Large Signet Bleu Jaune Womens Rare Gemstone Jewelry Jewellery vintage enamel Some of the marcasites areDESCRIPTION: A large antique art deco sterling silver and genuine blue john gemstone ring. 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 N or US 6. 75 and is stamped "SILVER". The total weight is approx. 5. 57g and the size dimensions are in the latter photos. The stone has some natural inclusions on the face and beautiful