Antique Blue John Sterling Silver Earrings Rare Art Deco Cabochon Screw Back 1920s Bleu Jaune Womens Vintage 925 Gemstone Jewelry Jewellery albert fob The item does click shut

The item does click shut but there is some play in it and a large gap on one side

The item has a striking piece of agate in the centre and opens/closes well

it tests for solid 9ct gold on the bail

It opens/closes well and has the see thru cover for one side

It's mounted in a thick solid 9ct 375 gold frame

Antique Blue John Sterling Silver Earrings Rare Art Deco Cabochon Screw Back 1920s Bleu Jaune Womens Vintage 925 Gemstone Jewelry Jewellery albert fob The item does click shutDESCRIPTION: A rare pair of antique art deco (c1920s) sterling silver and genuine blue john earrings. 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 earrings are stamped "SILVER" and the screws open close well. They weigh a combined total of approx. 4. 07g and the size dimensions are in the later photos.