Vintage Sterling Silver Blue John Pendant Necklace Doublet Gemstone Flourite Charm Border Womens Mens Rare Gemstone Retro Jewelry vintage cufflinks adorned with a sapphire and

adorned with a sapphire and diamond tone pastes

made by Robert Allison

The monogram side has a dent in the border

The item isn't stamped/hallmarked but tests as above

One of the mounts holding the cameo is missing one tooth

Vintage Sterling Silver Blue John Pendant Necklace Doublet Gemstone Flourite Charm Border Womens Mens Rare Gemstone Retro Jewelry vintage cufflinks adorned with a sapphire andDESCRIPTION: A vintage sterling silver and genuine blue john doublet necklace pendant. The pendant is fully hallmarked for sterling silver, dating to 1976. It weighs 5. 43g and the size dimensions are in the later photos. 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. PLEASE NOTE: The Blue John doublet has fogged with age and use, therefore it looks a bit